<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a0820e-3f18-7692-9952-dbe4d1237d81,g:b2d30671-502c-4547-99d8-346a614c01c7-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.kadant.com/role/CondensedConsolidatedBalanceSheetUnaudited" xlink:type="simple" xlink:href="kai-20261003.xsd#CondensedConsolidatedBalanceSheetUnaudited"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/CondensedConsolidatedBalanceSheetUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0820e-4060-7f2a-a515-474f3e071f43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-75cc-b23b-225ede6a70dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0820e-4060-7f2a-a515-474f3e071f43" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-75cc-b23b-225ede6a70dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a0820e-4060-7fb0-a4b3-4e212db374ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0820e-4060-7f2a-a515-474f3e071f43" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a0820e-4060-7fb0-a4b3-4e212db374ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-778b-8c2d-19f0ce4cde22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0820e-4060-7f2a-a515-474f3e071f43" xlink:to="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-778b-8c2d-19f0ce4cde22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_01a0820e-4060-7b5c-8b10-a029f11f5a75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0820e-4060-7f2a-a515-474f3e071f43" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_01a0820e-4060-7b5c-8b10-a029f11f5a75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_01a0820e-4060-7626-a502-8882f9cc00d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0820e-4060-7f2a-a515-474f3e071f43" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_01a0820e-4060-7626-a502-8882f9cc00d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_01a0820e-4060-71ff-b991-20d57e7de005" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a0820e-4060-7f2a-a515-474f3e071f43" xlink:to="loc_us-gaap_CommitmentsAndContingencies_01a0820e-4060-71ff-b991-20d57e7de005" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a0820e-4060-739d-bfcc-92730a87a425" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a0820e-4060-7758-b540-bb82de6c748a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0820e-4060-739d-bfcc-92730a87a425" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a0820e-4060-7758-b540-bb82de6c748a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_01a0820e-4060-744c-8238-3688442efa64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0820e-4060-739d-bfcc-92730a87a425" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_01a0820e-4060-744c-8238-3688442efa64" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_01a0820e-4060-75f2-adbb-00701ee111b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0820e-4060-739d-bfcc-92730a87a425" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_01a0820e-4060-75f2-adbb-00701ee111b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_01a0820e-4060-7e4f-a621-b149c8586bf0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0820e-4060-739d-bfcc-92730a87a425" xlink:to="loc_us-gaap_InventoryNet_01a0820e-4060-7e4f-a621-b149c8586bf0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_01a0820e-4060-7107-afba-5dc0e116eee3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerAssetNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0820e-4060-739d-bfcc-92730a87a425" xlink:to="loc_us-gaap_ContractWithCustomerAssetNet_01a0820e-4060-7107-afba-5dc0e116eee3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_01a0820e-4060-7af3-92fb-6cf39a16a148" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a0820e-4060-739d-bfcc-92730a87a425" xlink:to="loc_us-gaap_OtherAssetsCurrent_01a0820e-4060-7af3-92fb-6cf39a16a148" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_01a0820e-4060-7e61-be17-c85335227145" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_01a0820e-4060-700c-b237-c1788e1dee8e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0820e-4060-7e61-be17-c85335227145" xlink:to="loc_us-gaap_Goodwill_01a0820e-4060-700c-b237-c1788e1dee8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_01a0820e-4060-752b-abd4-48731807909d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0820e-4060-7e61-be17-c85335227145" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_01a0820e-4060-752b-abd4-48731807909d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_01a0820e-4060-7d8a-aa91-fdcfd33b6124" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0820e-4060-7e61-be17-c85335227145" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_01a0820e-4060-7d8a-aa91-fdcfd33b6124" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a0820e-4060-7567-9593-ef4ade8d9422" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0820e-4060-7e61-be17-c85335227145" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a0820e-4060-7567-9593-ef4ade8d9422" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a0820e-4060-7ca2-a1c4-319715e36f79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a0820e-4060-7e61-be17-c85335227145" xlink:to="loc_us-gaap_AssetsCurrent_01a0820e-4060-7ca2-a1c4-319715e36f79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-7a57-b1ed-4ac5a920a24a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_01a0820e-4060-7255-9ffb-46571185f4bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-7a57-b1ed-4ac5a920a24a" xlink:to="loc_us-gaap_MinorityInterest_01a0820e-4060-7255-9ffb-46571185f4bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a0820e-4060-7ade-868f-e263bf86ee37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-7a57-b1ed-4ac5a920a24a" xlink:to="loc_us-gaap_StockholdersEquity_01a0820e-4060-7ade-868f-e263bf86ee37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-77c1-9a40-5a5f059f5dd9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_01a0820e-4060-7544-b4ec-d0eabccd20d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-77c1-9a40-5a5f059f5dd9" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_01a0820e-4060-7544-b4ec-d0eabccd20d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_01a0820e-4060-76da-bbda-6df8ba5c2193" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-77c1-9a40-5a5f059f5dd9" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_01a0820e-4060-76da-bbda-6df8ba5c2193" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_ContractWithCustomerLiabilityCurrentAdvancedBillings_01a0820e-4060-72ea-8d6b-0645c37a490c" xlink:href="kai-20261003.xsd#kai_ContractWithCustomerLiabilityCurrentAdvancedBillings"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-77c1-9a40-5a5f059f5dd9" xlink:to="loc_kai_ContractWithCustomerLiabilityCurrentAdvancedBillings_01a0820e-4060-72ea-8d6b-0645c37a490c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_ContractWithCustomerLiabilityCurrentCustomerDeposits_01a0820e-4060-7246-991f-5df6551eb31b" xlink:href="kai-20261003.xsd#kai_ContractWithCustomerLiabilityCurrentCustomerDeposits"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-77c1-9a40-5a5f059f5dd9" xlink:to="loc_kai_ContractWithCustomerLiabilityCurrentCustomerDeposits_01a0820e-4060-7246-991f-5df6551eb31b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_01a0820e-4060-7bc6-9838-ecf4cacaa04c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-77c1-9a40-5a5f059f5dd9" xlink:to="loc_us-gaap_AccountsPayableCurrent_01a0820e-4060-7bc6-9838-ecf4cacaa04c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_01a0820e-4060-7185-9917-9c44aea30857" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-77c1-9a40-5a5f059f5dd9" xlink:to="loc_us-gaap_DebtCurrent_01a0820e-4060-7185-9917-9c44aea30857" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_01a0820e-4060-7d0d-9d30-615e5cb0dfbc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a0820e-4060-77c1-9a40-5a5f059f5dd9" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_01a0820e-4060-7d0d-9d30-615e5cb0dfbc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a0820e-4060-77f1-832a-b812ca99d065" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a0820e-4060-76a5-a112-65088aaebbcc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0820e-4060-77f1-832a-b812ca99d065" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a0820e-4060-76a5-a112-65088aaebbcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_01a0820e-4060-70db-a8d5-c8903511eb29" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0820e-4060-77f1-832a-b812ca99d065" xlink:to="loc_us-gaap_PreferredStockValue_01a0820e-4060-70db-a8d5-c8903511eb29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_01a0820e-4060-767b-81b7-2e3b0d77a787" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0820e-4060-77f1-832a-b812ca99d065" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_01a0820e-4060-767b-81b7-2e3b0d77a787" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_01a0820e-4060-7f5b-93e2-10070eb6fd50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0820e-4060-77f1-832a-b812ca99d065" xlink:to="loc_us-gaap_AdditionalPaidInCapital_01a0820e-4060-7f5b-93e2-10070eb6fd50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_01a0820e-4060-7502-9732-7a64bbd98e73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0820e-4060-77f1-832a-b812ca99d065" xlink:to="loc_us-gaap_TreasuryStockCommonValue_01a0820e-4060-7502-9732-7a64bbd98e73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_01a0820e-4060-7338-b60b-53f015051b74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a0820e-4060-77f1-832a-b812ca99d065" xlink:to="loc_us-gaap_CommonStockValue_01a0820e-4060-7338-b60b-53f015051b74" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/CondensedConsolidatedStatementofIncomeUnaudited" xlink:type="simple" xlink:href="kai-20261003.xsd#CondensedConsolidatedStatementofIncomeUnaudited"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/CondensedConsolidatedStatementofIncomeUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a0820e-4060-7d31-85b8-a77b4e6eeae6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_01a0820e-4060-7346-a9eb-91e1e88e58b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0820e-4060-7d31-85b8-a77b4e6eeae6" xlink:to="loc_us-gaap_CostsAndExpenses_01a0820e-4060-7346-a9eb-91e1e88e58b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a0820e-4060-7e69-820e-f3de15dc39c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0820e-4060-7d31-85b8-a77b4e6eeae6" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a0820e-4060-7e69-820e-f3de15dc39c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-4060-7cbd-a60b-9c1c4fa2449f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a0820e-4060-7d1e-8f90-82d65e4ed15e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-4060-7cbd-a60b-9c1c4fa2449f" xlink:to="loc_us-gaap_OperatingIncomeLoss_01a0820e-4060-7d1e-8f90-82d65e4ed15e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_01a0820e-4060-7674-9731-5e7eff0b7c7d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-4060-7cbd-a60b-9c1c4fa2449f" xlink:to="loc_us-gaap_InvestmentIncomeInterest_01a0820e-4060-7674-9731-5e7eff0b7c7d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_01a0820e-4060-7f6d-8ab7-1a75b94b233e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-4060-7cbd-a60b-9c1c4fa2449f" xlink:to="loc_us-gaap_InterestExpenseNonoperating_01a0820e-4060-7f6d-8ab7-1a75b94b233e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingExpense_01a0820e-4060-7e59-9241-bf1dc861961d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-4060-7cbd-a60b-9c1c4fa2449f" xlink:to="loc_us-gaap_OtherNonoperatingExpense_01a0820e-4060-7e59-9241-bf1dc861961d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_01a0820e-4060-7dc7-888b-76c0dc9496b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_01a0820e-4060-70cd-8da4-35b1adde6388" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a0820e-4060-7dc7-888b-76c0dc9496b8" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_01a0820e-4060-70cd-8da4-35b1adde6388" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_01a0820e-4060-79bd-ac81-5c0469612751" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a0820e-4060-7dc7-888b-76c0dc9496b8" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_01a0820e-4060-79bd-ac81-5c0469612751" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_01a0820e-4060-729d-8456-6adf93fa2838" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a0820e-4060-7dc7-888b-76c0dc9496b8" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_01a0820e-4060-729d-8456-6adf93fa2838" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_OtherOperatingIncomeNet_01a0d34e-75d5-7000-bcf5-cc0262644477" xlink:href="kai-20261003.xsd#kai_OtherOperatingIncomeNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a0820e-4060-7dc7-888b-76c0dc9496b8" xlink:to="loc_kai_OtherOperatingIncomeNet_01a0d34e-75d5-7000-bcf5-cc0262644477" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a0820e-4060-7100-b3a0-dbe6105089b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_01a0820e-4060-701c-859d-e8d074b91269" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_01a0820e-4060-7100-b3a0-dbe6105089b8" xlink:to="loc_us-gaap_ProfitLoss_01a0820e-4060-701c-859d-e8d074b91269" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_01a0820e-4060-733d-911d-bad84a7ff7d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_01a0820e-4060-7100-b3a0-dbe6105089b8" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_01a0820e-4060-733d-911d-bad84a7ff7d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_01a0820e-4060-723f-918f-453424bcda3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-4060-7651-a42c-9c97f0791953" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_01a0820e-4060-723f-918f-453424bcda3f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-4060-7651-a42c-9c97f0791953" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_01a0820e-4060-7b6a-9d37-cda3680d6b32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_01a0820e-4060-723f-918f-453424bcda3f" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_01a0820e-4060-7b6a-9d37-cda3680d6b32" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/CondensedConsolidatedStatementofComprehensiveIncomeUnaudited" xlink:type="simple" xlink:href="kai-20261003.xsd#CondensedConsolidatedStatementofComprehensiveIncomeUnaudited"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/CondensedConsolidatedStatementofComprehensiveIncomeUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_01a0820e-4060-7077-8974-9b01cbdbab36" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-72d1-83b9-ca70d7e758a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_01a0820e-4060-7077-8974-9b01cbdbab36" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-72d1-83b9-ca70d7e758a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_01a0820e-4060-7586-89f3-17e46d3717d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_01a0820e-4060-7077-8974-9b01cbdbab36" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_01a0820e-4060-7586-89f3-17e46d3717d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a0820e-4060-786c-abae-d0a04f351314" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_01a0820e-4060-793c-a956-19b313a0955e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a0820e-4060-786c-abae-d0a04f351314" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_01a0820e-4060-793c-a956-19b313a0955e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_01a0820e-4060-751a-8eb9-de8ba6d40c45" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a0820e-4060-786c-abae-d0a04f351314" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_01a0820e-4060-751a-8eb9-de8ba6d40c45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-7d42-80a6-61631a771503" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_01a0820e-4060-730f-b07b-58767c150dcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-7d42-80a6-61631a771503" xlink:to="loc_us-gaap_ProfitLoss_01a0820e-4060-730f-b07b-58767c150dcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a0820e-4060-731a-95f3-92a8e40fc3b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_01a0820e-4060-7d42-80a6-61631a771503" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a0820e-4060-731a-95f3-92a8e40fc3b3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/CondensedConsolidatedStatementofCashFlowsUnaudited" xlink:type="simple" xlink:href="kai-20261003.xsd#CondensedConsolidatedStatementofCashFlowsUnaudited"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/CondensedConsolidatedStatementofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_01a0820e-4060-762b-82b4-c936d32daad7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_ProfitLoss_01a0820e-4060-762b-82b4-c936d32daad7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_01a0820e-4060-7ea1-961b-815dd5109de7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_01a0820e-4060-7ea1-961b-815dd5109de7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_01a0820e-4060-7b75-aa8a-2f67971263c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_ShareBasedCompensation_01a0820e-4060-7b75-aa8a-2f67971263c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_01a0820e-4060-7918-b116-cb02cefddef0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_01a0820e-4060-7918-b116-cb02cefddef0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_01a0820e-4060-7c33-bc4b-57b346098a3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_01a0820e-4060-7c33-bc4b-57b346098a3c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_01a0820e-4060-76d1-9331-02a14eb33ae1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_01a0820e-4060-76d1-9331-02a14eb33ae1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_01a0820e-4060-7a2e-b516-d03cb61516e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerAsset"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_01a0820e-4060-7a2e-b516-d03cb61516e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_01a0820e-4060-75a3-9a36-56c6e3a98e39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_01a0820e-4060-75a3-9a36-56c6e3a98e39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_01a0820e-4060-7e6b-a247-fc4906c3d9fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_01a0820e-4060-7e6b-a247-fc4906c3d9fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_01a0820e-4060-78af-8f20-306aa263137b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_01a0820e-4060-78af-8f20-306aa263137b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_IncreaseDecreaseInContractWithCustomerLiabilityCustomerDeposits_01a0820e-4060-7996-9a86-f6376be321b7" xlink:href="kai-20261003.xsd#kai_IncreaseDecreaseInContractWithCustomerLiabilityCustomerDeposits"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_kai_IncreaseDecreaseInContractWithCustomerLiabilityCustomerDeposits_01a0820e-4060-7996-9a86-f6376be321b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_01a0820e-4060-7987-af32-b1c170f3d764" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_01a0820e-4060-7987-af32-b1c170f3d764" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_01a0d35e-74aa-72c5-bae8-3a1f1d4c4d22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-744b-ab5f-e13335561431" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_01a0d35e-74aa-72c5-bae8-3a1f1d4c4d22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a0820e-4060-7a09-991b-297bdda804e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-7b71-94aa-bac2778accb4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a0820e-4060-7a09-991b-297bdda804e6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a0820e-4060-7b71-94aa-bac2778accb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a0820e-4060-702f-8654-ea983b3a9a00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a0820e-4060-7a09-991b-297bdda804e6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a0820e-4060-702f-8654-ea983b3a9a00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7ae1-a50a-72107e5366cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a0820e-4060-7a09-991b-297bdda804e6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7ae1-a50a-72107e5366cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a0820e-4060-7f2d-8e3c-a006d1ed26c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a0820e-4060-7a09-991b-297bdda804e6" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a0820e-4060-7f2d-8e3c-a006d1ed26c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a0820e-4060-7429-ae30-66c8ddf7a228" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_01a0820e-4060-7e14-98f4-4dde8284f625" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a0820e-4060-7429-ae30-66c8ddf7a228" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_01a0820e-4060-7e14-98f4-4dde8284f625" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_01a0820e-4060-7676-aad1-a521edd91894" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a0820e-4060-7429-ae30-66c8ddf7a228" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_01a0820e-4060-7676-aad1-a521edd91894" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_01a0820e-4060-74fc-beea-9cb6ee76d6ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a0820e-4060-7429-ae30-66c8ddf7a228" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_01a0820e-4060-74fc-beea-9cb6ee76d6ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01a0820e-4060-70d3-babd-53d78b441a3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a0820e-4060-7429-ae30-66c8ddf7a228" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01a0820e-4060-70d3-babd-53d78b441a3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7667-8c3b-3a010d0247b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_01a0820e-4060-7e1e-bb90-1a20ef42908f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7667-8c3b-3a010d0247b5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_01a0820e-4060-7e1e-bb90-1a20ef42908f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_01a0820e-4060-796b-917d-e6c70975eb69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7667-8c3b-3a010d0247b5" xlink:to="loc_us-gaap_RepaymentsOfDebt_01a0820e-4060-796b-917d-e6c70975eb69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_01a0820e-4060-7812-9a97-49883821c83f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7667-8c3b-3a010d0247b5" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_01a0820e-4060-7812-9a97-49883821c83f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_01a0820e-4060-7cd7-9115-0d7baf30ff0a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7667-8c3b-3a010d0247b5" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_01a0820e-4060-7cd7-9115-0d7baf30ff0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_01a0820e-4060-75a9-a716-273aa5184e04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7667-8c3b-3a010d0247b5" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_01a0820e-4060-75a9-a716-273aa5184e04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsMinorityInterest_01a0820e-4060-78ab-a646-76949d968b60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsMinorityInterest"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7667-8c3b-3a010d0247b5" xlink:to="loc_us-gaap_PaymentsOfDividendsMinorityInterest_01a0820e-4060-78ab-a646-76949d968b60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_01a0820e-4060-735c-a245-eea33ac5ad6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a0820e-4060-7667-8c3b-3a010d0247b5" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_01a0820e-4060-735c-a245-eea33ac5ad6b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofCashCashEquivalentsandRestrictedCashDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofCashCashEquivalentsandRestrictedCashDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofCashCashEquivalentsandRestrictedCashDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a0820e-4060-7aa2-a9b8-9f8c6201ab17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a0820e-4060-7965-91ef-159a0d3cc03f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a0820e-4060-7aa2-a9b8-9f8c6201ab17" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a0820e-4060-7965-91ef-159a0d3cc03f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_01a0820e-4060-73fa-b6d1-cf8eb4398b37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_01a0820e-4060-7aa2-a9b8-9f8c6201ab17" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_01a0820e-4060-73fa-b6d1-cf8eb4398b37" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofInventoriesDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofInventoriesDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofInventoriesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_01a0820e-4060-7a88-9811-ddccc5c54acc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_01a0820e-4060-7819-a5e6-14859a72a09e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_01a0820e-4060-7a88-9811-ddccc5c54acc" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_01a0820e-4060-7819-a5e6-14859a72a09e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_01a0820e-4060-7d09-80e7-4c8f7a1f9e89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_01a0820e-4060-7a88-9811-ddccc5c54acc" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_01a0820e-4060-7d09-80e7-4c8f7a1f9e89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_01a0820e-4060-7d9a-a220-f2eeffbc0b8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_01a0820e-4060-7a88-9811-ddccc5c54acc" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_01a0820e-4060-7d9a-a220-f2eeffbc0b8f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofAcquiredIntangibleAssetsDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofAcquiredIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofAcquiredIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_kai_IntangibleAssetsExcludingGoodwillAccumulatedForeignCurrencyTranslationGainLoss_01a0820e-4060-795a-bfd7-451129872205" xlink:href="kai-20261003.xsd#kai_IntangibleAssetsExcludingGoodwillAccumulatedForeignCurrencyTranslationGainLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_FiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss_01a0820e-4060-7cd7-8d32-aa2422ca0b97" xlink:href="kai-20261003.xsd#kai_FiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_IntangibleAssetsExcludingGoodwillAccumulatedForeignCurrencyTranslationGainLoss_01a0820e-4060-795a-bfd7-451129872205" xlink:to="loc_kai_FiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss_01a0820e-4060-7cd7-8d32-aa2422ca0b97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_IndefiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss_01a0820e-4060-7651-8d44-4c0ab96c2a2c" xlink:href="kai-20261003.xsd#kai_IndefiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_IntangibleAssetsExcludingGoodwillAccumulatedForeignCurrencyTranslationGainLoss_01a0820e-4060-795a-bfd7-451129872205" xlink:to="loc_kai_IndefiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss_01a0820e-4060-7651-8d44-4c0ab96c2a2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a0820e-4060-781a-9d8b-bb1960d41689" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_01a0820e-4060-7edc-867d-74d9010aaba8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a0820e-4060-781a-9d8b-bb1960d41689" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_01a0820e-4060-7edc-867d-74d9010aaba8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01a0820e-4060-79de-98cf-fcfde67b15a7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a0820e-4060-781a-9d8b-bb1960d41689" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01a0820e-4060-79de-98cf-fcfde67b15a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_01a0820e-4060-7d3a-9f93-d2ea5e5a2478" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_01a0820e-4060-798c-a425-00592500d653" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_01a0820e-4060-7d3a-9f93-d2ea5e5a2478" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_01a0820e-4060-798c-a425-00592500d653" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross_01a0820e-4060-7dc5-9758-911a93c6a493" xlink:href="kai-20261003.xsd#kai_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_01a0820e-4060-7d3a-9f93-d2ea5e5a2478" xlink:to="loc_kai_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross_01a0820e-4060-7dc5-9758-911a93c6a493" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofGoodwillDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofGoodwillDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/NatureofOperationsandSummaryofSignificantAccountingPoliciesScheduleofGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPeriodIncreaseDecrease_01a0820e-4060-7df0-826b-74ba77421fb5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillPeriodIncreaseDecrease"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_01a0820e-4060-7b5e-85c0-6e14de14e834" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GoodwillPeriodIncreaseDecrease_01a0820e-4060-7df0-826b-74ba77421fb5" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_01a0820e-4060-7b5e-85c0-6e14de14e834" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_01a0820e-4060-78bb-86aa-d9c0d99717b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GoodwillPeriodIncreaseDecrease_01a0820e-4060-7df0-826b-74ba77421fb5" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_01a0820e-4060-78bb-86aa-d9c0d99717b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_01a0820e-4060-7945-b15c-1b6812577abb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GoodwillPeriodIncreaseDecrease_01a0820e-4060-7df0-826b-74ba77421fb5" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_01a0820e-4060-7945-b15c-1b6812577abb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/AcquisitionsScheduleofPurchasePriceAllocationDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#AcquisitionsScheduleofPurchasePriceAllocationDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/AcquisitionsScheduleofPurchasePriceAllocationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-7d9f-8f25-5fd22c11754b" xlink:href="kai-20261003.xsd#kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_01a0820e-4060-7637-a6a6-25a76058cca2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-7d9f-8f25-5fd22c11754b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_01a0820e-4060-7637-a6a6-25a76058cca2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_01a0820e-4060-741f-aec5-423c775879c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-7d9f-8f25-5fd22c11754b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_01a0820e-4060-741f-aec5-423c775879c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_01a0820e-4060-7c56-80f4-ff9f847d8bf9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-7d9f-8f25-5fd22c11754b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_01a0820e-4060-7c56-80f4-ff9f847d8bf9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_01a0820e-4060-7b3e-8e1c-4380dd347fa5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-7d9f-8f25-5fd22c11754b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_01a0820e-4060-7b3e-8e1c-4380dd347fa5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_01a0820e-4060-7551-8341-a88a8da4b01b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-7d9f-8f25-5fd22c11754b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_01a0820e-4060-7551-8341-a88a8da4b01b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_01a0820e-4060-7a81-b52e-cfc8fd6c5df4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-7d9f-8f25-5fd22c11754b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_01a0820e-4060-7a81-b52e-cfc8fd6c5df4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_01a0820e-4060-7782-ba25-57c4423ebb84" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-7d9f-8f25-5fd22c11754b" xlink:to="loc_us-gaap_Goodwill_01a0820e-4060-7782-ba25-57c4423ebb84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_01a0820e-4060-75a3-9dc8-f289d07f38a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_01a0820e-4060-72af-b547-b33685b8b15f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_01a0820e-4060-75a3-9dc8-f289d07f38a3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_01a0820e-4060-72af-b547-b33685b8b15f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_01a0820e-4060-7d7b-9c92-f5e63a67bf1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_01a0820e-4060-75a3-9dc8-f289d07f38a3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_01a0820e-4060-7d7b-9c92-f5e63a67bf1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebt_01a0820e-4060-767c-9081-7d1cd39feb1c" xlink:href="kai-20261003.xsd#kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_01a0820e-4060-75a3-9dc8-f289d07f38a3" xlink:to="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebt_01a0820e-4060-767c-9081-7d1cd39feb1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a0820e-4060-7a3e-9c84-76b2ae52607f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-770d-b661-1f9122ea3a4e" xlink:href="kai-20261003.xsd#kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a0820e-4060-7a3e-9c84-76b2ae52607f" xlink:to="loc_kai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill_01a0820e-4060-770d-b661-1f9122ea3a4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_01a0820e-4060-78d5-b812-64ab2fe10d04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a0820e-4060-7a3e-9c84-76b2ae52607f" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_01a0820e-4060-78d5-b812-64ab2fe10d04" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/EarningsperShareScheduleofBasicandDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#EarningsperShareScheduleofBasicandDilutedEarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/EarningsperShareScheduleofBasicandDilutedEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a0820e-410d-721f-a6fe-1282bf8e6c06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_01a0820e-410d-783f-a407-5954111c2e1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a0820e-410d-721f-a6fe-1282bf8e6c06" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_01a0820e-410d-783f-a407-5954111c2e1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_01a0820e-410d-7d36-b439-fdf4a0b1b49b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a0820e-410d-721f-a6fe-1282bf8e6c06" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_01a0820e-410d-7d36-b439-fdf4a0b1b49b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/LongTermObligationsScheduleofLongTermObligationsDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#LongTermObligationsScheduleofLongTermObligationsDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/LongTermObligationsScheduleofLongTermObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_01a0820e-410d-71e6-a044-813daaf4df62" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_01a0820e-410d-75cb-b392-8a5a6ad03ead" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_01a0820e-410d-71e6-a044-813daaf4df62" xlink:to="loc_us-gaap_DebtCurrent_01a0820e-410d-75cb-b392-8a5a6ad03ead" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a0820e-410d-7faf-a2f7-bef50ac6909e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_01a0820e-410d-71e6-a044-813daaf4df62" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a0820e-410d-7faf-a2f7-bef50ac6909e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/LongTermObligationsScheduleofLongTermObligationsDetails_1" xlink:type="simple" xlink:href="kai-20261003.xsd#LongTermObligationsScheduleofLongTermObligationsDetails_1"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/LongTermObligationsScheduleofLongTermObligationsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_01a0820e-410d-7279-ba9f-78e57101cee4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_01a0820e-410d-70b7-97c8-b8dbbfdac244" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_01a0820e-410d-7279-ba9f-78e57101cee4" xlink:to="loc_us-gaap_LongTermDebt_01a0820e-410d-70b7-97c8-b8dbbfdac244" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_01a0820e-410d-7e3d-b383-227f8478ea1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_01a0820e-410d-7279-ba9f-78e57101cee4" xlink:to="loc_us-gaap_FinanceLeaseLiability_01a0820e-410d-7e3d-b383-227f8478ea1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherBorrowings_01a0820e-410d-7501-93b5-902a3882bb9f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherBorrowings"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_01a0820e-410d-7279-ba9f-78e57101cee4" xlink:to="loc_us-gaap_OtherBorrowings_01a0820e-410d-7501-93b5-902a3882bb9f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/AccumulatedOtherComprehensiveItemsDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#AccumulatedOtherComprehensiveItemsDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/AccumulatedOtherComprehensiveItemsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a0820e-410d-7453-a342-cec79e71dfab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_01a0820e-410d-739a-8a19-b359eb323b98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a0820e-410d-7453-a342-cec79e71dfab" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_01a0820e-410d-739a-8a19-b359eb323b98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_01a0820e-410d-78c8-9cb5-e941e0ff74d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_01a0820e-410d-7453-a342-cec79e71dfab" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_01a0820e-410d-78c8-9cb5-e941e0ff74d3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kadant.com/role/BusinessSegmentInformationScheduleofReportableSegmentsDetails" xlink:type="simple" xlink:href="kai-20261003.xsd#BusinessSegmentInformationScheduleofReportableSegmentsDetails"/>
  <link:calculationLink xlink:role="http://www.kadant.com/role/BusinessSegmentInformationScheduleofReportableSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-410d-719d-a060-e35e3d198fe1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingExpense_01a0820e-410d-71bb-a516-68d134ffc959" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-410d-719d-a060-e35e3d198fe1" xlink:to="loc_us-gaap_OtherNonoperatingExpense_01a0820e-410d-71bb-a516-68d134ffc959" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_InterestExpenseNonoperatingNet_01a0820e-410d-7ed0-b22c-ec54bb6b5fac" xlink:href="kai-20261003.xsd#kai_InterestExpenseNonoperatingNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-410d-719d-a060-e35e3d198fe1" xlink:to="loc_kai_InterestExpenseNonoperatingNet_01a0820e-410d-7ed0-b22c-ec54bb6b5fac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7e2e-af85-49d3478730af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-410d-719d-a060-e35e3d198fe1" xlink:to="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7e2e-af85-49d3478730af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kai_CorporateExpense_01a0820e-410d-7ba8-a824-79454b74b7d9" xlink:href="kai-20261003.xsd#kai_CorporateExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0820e-410d-719d-a060-e35e3d198fe1" xlink:to="loc_kai_CorporateExpense_01a0820e-410d-7ba8-a824-79454b74b7d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_01a0820e-410d-713f-9b3b-3bc75d004ebe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_01a0820e-410d-71b4-8fa0-41ee9fc59670" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_01a0820e-410d-713f-9b3b-3bc75d004ebe" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_01a0820e-410d-71b4-8fa0-41ee9fc59670" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a0820e-410d-7b3c-825a-6f20d4e11c78" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_01a0820e-410d-713f-9b3b-3bc75d004ebe" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a0820e-410d-7b3c-825a-6f20d4e11c78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7b15-9946-3679ce9c61dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingExpense_01a0820e-410d-7456-8311-e40f8e396936" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7b15-9946-3679ce9c61dc" xlink:to="loc_us-gaap_SellingExpense_01a0820e-410d-7456-8311-e40f8e396936" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_01a0820e-410d-7a1b-8a7d-4991308b908d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7b15-9946-3679ce9c61dc" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_01a0820e-410d-7a1b-8a7d-4991308b908d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_01a0820e-410d-796d-b925-e129aec86a62" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7b15-9946-3679ce9c61dc" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_01a0820e-410d-796d-b925-e129aec86a62" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_01a0820e-410d-73f1-a755-fbffa14a7d16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7b15-9946-3679ce9c61dc" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_01a0820e-410d-73f1-a755-fbffa14a7d16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_01a0820e-410d-71c6-bed0-03dd9fbd4b88" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7b15-9946-3679ce9c61dc" xlink:to="loc_us-gaap_GrossProfit_01a0820e-410d-71c6-bed0-03dd9fbd4b88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_01a0820e-410d-7ab4-b62d-461123a76223" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a0820e-410d-7b15-9946-3679ce9c61dc" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_01a0820e-410d-7ab4-b62d-461123a76223" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
