<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated by Fujitsu Interstage XWand B0255 -->
<linkbase 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" xmlns:snn="http://www.snn.no/2021-12-31" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink">
  <roleRef roleURI="http://www.snn.no/role/StatementConsolidatedIncomeStatement" xlink:type="simple" xlink:href="snn-2021-12-31.xsd#StatementConsolidatedIncomeStatement"/>
  <roleRef roleURI="http://www.snn.no/role/StatementConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" xlink:href="snn-2021-12-31.xsd#StatementConsolidatedStatementsOfComprehensiveIncome"/>
  <roleRef roleURI="http://www.snn.no/role/StatementConsolidatedStatementsOfFinancialPosition" xlink:type="simple" xlink:href="snn-2021-12-31.xsd#StatementConsolidatedStatementsOfFinancialPosition"/>
  <roleRef roleURI="http://www.snn.no/role/StatementConsolidatedStatementsOfCashFlows" xlink:type="simple" xlink:href="snn-2021-12-31.xsd#StatementConsolidatedStatementsOfCashFlows"/>
  <calculationLink xlink:type="extended" xlink:role="http://www.snn.no/role/StatementConsolidatedIncomeStatement">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ProfitLossBeforeTax" xlink:title="ProfitLossBeforeTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="ProfitLossBeforeTax" xlink:title="calculation: ProfitLoss to ProfitLossBeforeTax" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="snn-2021-12-31.xsd#snn_ProfitLossBeforeTaxAndImpairment" xlink:label="ProfitLossBeforeTaxAndImpairment" xlink:title="ProfitLossBeforeTaxAndImpairment"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLossBeforeTax" xlink:to="ProfitLossBeforeTaxAndImpairment" xlink:title="calculation: ProfitLossBeforeTax to ProfitLossBeforeTaxAndImpairment" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OperatingExpense" xlink:label="OperatingExpense" xlink:title="OperatingExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLossBeforeTaxAndImpairment" xlink:to="OperatingExpense" xlink:title="calculation: ProfitLossBeforeTaxAndImpairment to OperatingExpense" order="2.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="EmployeeBenefitsExpense" xlink:title="EmployeeBenefitsExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpense" xlink:to="EmployeeBenefitsExpense" xlink:title="calculation: OperatingExpense to EmployeeBenefitsExpense" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherExpenseByNature" xlink:label="OtherExpenseByNature" xlink:title="OtherExpenseByNature"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpense" xlink:to="OtherExpenseByNature" xlink:title="calculation: OperatingExpense to OtherExpenseByNature" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueAndOperatingIncome" xlink:label="RevenueAndOperatingIncome" xlink:title="RevenueAndOperatingIncome"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLossBeforeTaxAndImpairment" xlink:to="RevenueAndOperatingIncome" xlink:title="calculation: ProfitLossBeforeTaxAndImpairment to RevenueAndOperatingIncome" order="0.9" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestRevenueExpense" xlink:label="InterestRevenueExpense" xlink:title="InterestRevenueExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="RevenueAndOperatingIncome" xlink:to="InterestRevenueExpense" xlink:title="calculation: RevenueAndOperatingIncome to InterestRevenueExpense" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromInterest" xlink:label="RevenueFromInterest" xlink:title="RevenueFromInterest"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="InterestRevenueExpense" xlink:to="RevenueFromInterest" xlink:title="calculation: InterestRevenueExpense to RevenueFromInterest" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="InterestRevenueExpense" xlink:to="InterestExpense" xlink:title="calculation: InterestRevenueExpense to InterestExpense" order="2.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FeeAndCommissionIncomeExpense" xlink:label="FeeAndCommissionIncomeExpense" xlink:title="FeeAndCommissionIncomeExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="RevenueAndOperatingIncome" xlink:to="FeeAndCommissionIncomeExpense" xlink:title="calculation: RevenueAndOperatingIncome to FeeAndCommissionIncomeExpense" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FeeAndCommissionIncome" xlink:label="FeeAndCommissionIncome" xlink:title="FeeAndCommissionIncome"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="FeeAndCommissionIncomeExpense" xlink:to="FeeAndCommissionIncome" xlink:title="calculation: FeeAndCommissionIncomeExpense to FeeAndCommissionIncome" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FeeAndCommissionExpense" xlink:label="FeeAndCommissionExpense" xlink:title="FeeAndCommissionExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="FeeAndCommissionIncomeExpense" xlink:to="FeeAndCommissionExpense" xlink:title="calculation: FeeAndCommissionIncomeExpense to FeeAndCommissionExpense" order="2.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherIncome" xlink:label="OtherIncome" xlink:title="OtherIncome"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="FeeAndCommissionIncomeExpense" xlink:to="OtherIncome" xlink:title="calculation: FeeAndCommissionIncomeExpense to OtherIncome" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:title="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="RevenueAndOperatingIncome" xlink:to="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:title="calculation: RevenueAndOperatingIncome to GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromDividends" xlink:label="RevenueFromDividends" xlink:title="RevenueFromDividends"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="RevenueFromDividends" xlink:title="calculation: GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss to RevenueFromDividends" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:title="ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:title="calculation: GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss to ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:label="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:title="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:title="calculation: GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss to GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" xlink:label="ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" xlink:title="ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLossBeforeTax" xlink:to="ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" xlink:title="calculation: ProfitLossBeforeTax to ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" order="2.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="IncomeTaxExpenseContinuingOperations" xlink:title="IncomeTaxExpenseContinuingOperations"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="IncomeTaxExpenseContinuingOperations" xlink:title="calculation: ProfitLoss to IncomeTaxExpenseContinuingOperations" order="2.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:label="ProfitLossFromDiscontinuedOperations" xlink:title="ProfitLossFromDiscontinuedOperations"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="ProfitLossFromDiscontinuedOperations" xlink:title="calculation: ProfitLoss to ProfitLossFromDiscontinuedOperations" order="3.0" weight="1.0"/>
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://www.snn.no/role/StatementConsolidatedStatementsOfComprehensiveIncome">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ComprehensiveIncome" xlink:title="ComprehensiveIncome"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncome" xlink:to="ProfitLoss" xlink:title="calculation: ComprehensiveIncome to ProfitLoss" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:title="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncome" xlink:to="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:title="calculation: ComprehensiveIncome to OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:label="IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:title="IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" xlink:title="calculation: OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax to IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss" order="2.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:label="ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:title="ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:title="calculation: OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax to ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:title="OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:title="calculation: OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax to OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:title="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncome" xlink:to="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:title="calculation: ComprehensiveIncome to OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" order="4.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" xlink:label="GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" xlink:title="GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" xlink:title="calculation: OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax to GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:label="ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:title="ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:title="calculation: OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax to ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:label="IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:title="IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:title="calculation: OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax to IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" order="3.0" weight="-1.0"/>
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://www.snn.no/role/StatementConsolidatedStatementsOfFinancialPosition">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="Assets" xlink:title="Assets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:label="CashAndBankBalancesAtCentralBanks" xlink:title="CashAndBankBalancesAtCentralBanks"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="CashAndBankBalancesAtCentralBanks" xlink:title="calculation: Assets to CashAndBankBalancesAtCentralBanks" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LoansAndAdvancesToBanks" xlink:label="LoansAndAdvancesToBanks" xlink:title="LoansAndAdvancesToBanks"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="LoansAndAdvancesToBanks" xlink:title="calculation: Assets to LoansAndAdvancesToBanks" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LoansAndAdvancesToCustomers" xlink:label="LoansAndAdvancesToCustomers" xlink:title="LoansAndAdvancesToCustomers"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="LoansAndAdvancesToCustomers" xlink:title="calculation: Assets to LoansAndAdvancesToCustomers" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DebtInstrumentsHeld" xlink:label="DebtInstrumentsHeld" xlink:title="DebtInstrumentsHeld"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="DebtInstrumentsHeld" xlink:title="calculation: Assets to DebtInstrumentsHeld" order="4.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DerivativeFinancialAssets" xlink:label="DerivativeFinancialAssets" xlink:title="DerivativeFinancialAssets"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="DerivativeFinancialAssets" xlink:title="calculation: Assets to DerivativeFinancialAssets" order="5.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityInstrumentsHeld" xlink:label="EquityInstrumentsHeld" xlink:title="EquityInstrumentsHeld"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="EquityInstrumentsHeld" xlink:title="calculation: Assets to EquityInstrumentsHeld" order="6.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="IntangibleAssetsAndGoodwill" xlink:title="IntangibleAssetsAndGoodwill"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="IntangibleAssetsAndGoodwill" xlink:title="calculation: Assets to IntangibleAssetsAndGoodwill" order="10.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InvestmentsInAssociates" xlink:label="InvestmentsInAssociates" xlink:title="InvestmentsInAssociates"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="InvestmentsInAssociates" xlink:title="calculation: Assets to InvestmentsInAssociates" order="8.5" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherAssets" xlink:label="OtherAssets" xlink:title="OtherAssets"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="OtherAssets" xlink:title="calculation: Assets to OtherAssets" order="11.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="PropertyPlantAndEquipment" xlink:title="PropertyPlantAndEquipment"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="PropertyPlantAndEquipment" xlink:title="calculation: Assets to PropertyPlantAndEquipment" order="8.51" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="EquityAndLiabilities" xlink:title="EquityAndLiabilities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity" xlink:label="Equity" xlink:title="Equity"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="EquityAndLiabilities" xlink:to="Equity" xlink:title="calculation: EquityAndLiabilities to Equity" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapital" xlink:label="IssuedCapital" xlink:title="IssuedCapital"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="IssuedCapital" xlink:title="calculation: Equity to IssuedCapital" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremium" xlink:label="SharePremium" xlink:title="SharePremium"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="SharePremium" xlink:title="calculation: Equity to SharePremium" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="snn-2021-12-31.xsd#snn_DividendEqualizationFund" xlink:label="DividendEqualizationFund" xlink:title="DividendEqualizationFund"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="DividendEqualizationFund" xlink:title="calculation: Equity to DividendEqualizationFund" order="4.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="snn-2021-12-31.xsd#snn_GiftsAllocation" xlink:label="GiftsAllocation" xlink:title="GiftsAllocation"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="GiftsAllocation" xlink:title="calculation: Equity to GiftsAllocation" order="6.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="snn-2021-12-31.xsd#snn_OwnerlessCapital" xlink:label="OwnerlessCapital" xlink:title="OwnerlessCapital"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="OwnerlessCapital" xlink:title="calculation: Equity to OwnerlessCapital" order="5.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherReserves" xlink:label="OtherReserves" xlink:title="OtherReserves"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="OtherReserves" xlink:title="calculation: Equity to OtherReserves" order="9.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="snn-2021-12-31.xsd#snn_HybridCapital" xlink:label="AdditionalTierOneCapital" xlink:title="AdditionalTierOneCapital"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="AdditionalTierOneCapital" xlink:title="calculation: Equity to AdditionalTierOneCapital" order="3.5" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReserveOfGainsAndLossesFromInvestmentsInEquityInstruments" xlink:label="ReserveOfGainsAndLossesFromInvestmentsInEquityInstruments" xlink:title="ReserveOfGainsAndLossesFromInvestmentsInEquityInstruments"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="ReserveOfGainsAndLossesFromInvestmentsInEquityInstruments" xlink:title="calculation: Equity to ReserveOfGainsAndLossesFromInvestmentsInEquityInstruments" order="7.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncontrollingInterests" xlink:label="NoncontrollingInterests" xlink:title="NoncontrollingInterests"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Equity" xlink:to="NoncontrollingInterests" xlink:title="calculation: Equity to NoncontrollingInterests" order="10.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="EquityAndLiabilities" xlink:to="Liabilities" xlink:title="calculation: EquityAndLiabilities to Liabilities" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DepositsFromBanks" xlink:label="DepositsFromBanks" xlink:title="DepositsFromBanks"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:to="DepositsFromBanks" xlink:title="calculation: Liabilities to DepositsFromBanks" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DepositsFromCustomers" xlink:label="DepositsFromCustomers" xlink:title="DepositsFromCustomers"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:to="DepositsFromCustomers" xlink:title="calculation: Liabilities to DepositsFromCustomers" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DebtSecurities" xlink:label="DebtSecurities" xlink:title="DebtSecurities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:to="DebtSecurities" xlink:title="calculation: Liabilities to DebtSecurities" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DerivativeFinancialLiabilities" xlink:label="DerivativeFinancialLiabilities" xlink:title="DerivativeFinancialLiabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:to="DerivativeFinancialLiabilities" xlink:title="calculation: Liabilities to DerivativeFinancialLiabilities" order="4.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherLiabilities" xlink:label="OtherLiabilities" xlink:title="OtherLiabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:to="OtherLiabilities" xlink:title="calculation: Liabilities to OtherLiabilities" order="5.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SubordinatedLiabilities" xlink:label="SubordinatedLiabilities" xlink:title="SubordinatedLiabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:to="SubordinatedLiabilities" xlink:title="calculation: Liabilities to SubordinatedLiabilities" order="7.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="DeferredTaxLiabilities" xlink:title="DeferredTaxLiabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Liabilities" xlink:to="DeferredTaxLiabilities" xlink:title="calculation: Liabilities to DeferredTaxLiabilities" order="6.0" weight="1.0"/>
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://www.snn.no/role/StatementConsolidatedStatementsOfCashFlows">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:label="IncreaseDecreaseInCashAndCashEquivalents" xlink:title="IncreaseDecreaseInCashAndCashEquivalents"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="CashFlowsFromUsedInOperatingActivities" xlink:title="CashFlowsFromUsedInOperatingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncreaseDecreaseInCashAndCashEquivalents" xlink:to="CashFlowsFromUsedInOperatingActivities" xlink:title="calculation: IncreaseDecreaseInCashAndCashEquivalents to CashFlowsFromUsedInOperatingActivities" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:label="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:title="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:title="calculation: CashFlowsFromUsedInOperatingActivities to CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ProfitLossBeforeTax" xlink:title="ProfitLossBeforeTax"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="ProfitLossBeforeTax" xlink:title="calculation: CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital to ProfitLossBeforeTax" order="1.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:label="AdjustmentsForDepreciationAndAmortisationExpense" xlink:title="AdjustmentsForDepreciationAndAmortisationExpense"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="AdjustmentsForDepreciationAndAmortisationExpense" xlink:title="calculation: CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital to AdjustmentsForDepreciationAndAmortisationExpense" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" xlink:label="AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" xlink:title="AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" xlink:title="calculation: CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital to AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances" order="4.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:label="IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:title="IncomeTaxesPaidClassifiedAsOperatingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:title="calculation: CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital to IncomeTaxesPaidClassifiedAsOperatingActivities" order="3.5" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" xlink:label="AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" xlink:title="AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" xlink:title="calculation: CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital to AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:label="AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:title="AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:title="calculation: CashFlowsFromUsedInOperatingActivities to AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers" xlink:label="AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers" xlink:title="AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers" xlink:title="calculation: CashFlowsFromUsedInOperatingActivities to AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers" order="4.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading" xlink:label="AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading" xlink:title="AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading" xlink:title="calculation: CashFlowsFromUsedInOperatingActivities to AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading" order="5.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" xlink:label="AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" xlink:title="AdjustmentsForIncreaseDecreaseInDepositsFromCustomers"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" xlink:title="calculation: CashFlowsFromUsedInOperatingActivities to AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" order="6.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromBanks" xlink:label="AdjustmentsForIncreaseDecreaseInDepositsFromBanks" xlink:title="AdjustmentsForIncreaseDecreaseInDepositsFromBanks"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="AdjustmentsForIncreaseDecreaseInDepositsFromBanks" xlink:title="calculation: CashFlowsFromUsedInOperatingActivities to AdjustmentsForIncreaseDecreaseInDepositsFromBanks" order="8.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:label="AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:title="AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:title="calculation: CashFlowsFromUsedInOperatingActivities to AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="CashFlowsFromUsedInInvestingActivities" xlink:title="CashFlowsFromUsedInInvestingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncreaseDecreaseInCashAndCashEquivalents" xlink:to="CashFlowsFromUsedInInvestingActivities" xlink:title="calculation: IncreaseDecreaseInCashAndCashEquivalents to CashFlowsFromUsedInInvestingActivities" order="2.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:label="PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:title="PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInInvestingActivities" xlink:to="PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:title="calculation: CashFlowsFromUsedInInvestingActivities to PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" order="1.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:title="CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInInvestingActivities" xlink:to="CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:title="calculation: CashFlowsFromUsedInInvestingActivities to CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" order="2.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:label="OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:title="OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInInvestingActivities" xlink:to="OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:title="calculation: CashFlowsFromUsedInInvestingActivities to OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:label="ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:title="ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInInvestingActivities" xlink:to="ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:title="calculation: CashFlowsFromUsedInInvestingActivities to ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" order="4.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="CashFlowsFromUsedInFinancingActivities" xlink:title="CashFlowsFromUsedInFinancingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncreaseDecreaseInCashAndCashEquivalents" xlink:to="CashFlowsFromUsedInFinancingActivities" xlink:title="calculation: IncreaseDecreaseInCashAndCashEquivalents to CashFlowsFromUsedInFinancingActivities" order="3.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="snn-2021-12-31.xsd#snn_InterestPaidOnHybridCapitalClassifiedAsFinancingActivities" xlink:label="InterestPaidOnHybridCapitalClassifiedAsFinancingActivities" xlink:title="InterestPaidOnAdditionalTier1CapitalClassifiedAsFinancingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="InterestPaidOnHybridCapitalClassifiedAsFinancingActivities" xlink:title="calculation: CashFlowsFromUsedInFinancingActivities to InterestPaidOnHybridCapitalClassifiedAsFinancingActivities" order="1.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:title="PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:title="calculation: CashFlowsFromUsedInFinancingActivities to PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="2.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="DividendsPaidClassifiedAsFinancingActivities" xlink:title="DividendsPaidClassifiedAsFinancingActivities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="DividendsPaidClassifiedAsFinancingActivities" xlink:title="calculation: CashFlowsFromUsedInFinancingActivities to DividendsPaidClassifiedAsFinancingActivities" order="3.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:label="RepaymentsOfBondsNotesAndDebentures" xlink:title="RepaymentsOfBondsNotesAndDebentures"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="RepaymentsOfBondsNotesAndDebentures" xlink:title="calculation: CashFlowsFromUsedInFinancingActivities to RepaymentsOfBondsNotesAndDebentures" order="4.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures" xlink:label="ProceedsFromIssueOfBondsNotesAndDebentures" xlink:title="ProceedsFromIssueOfBondsNotesAndDebentures"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="ProceedsFromIssueOfBondsNotesAndDebentures" xlink:title="calculation: CashFlowsFromUsedInFinancingActivities to ProceedsFromIssueOfBondsNotesAndDebentures" order="5.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:label="RepaymentsOfSubordinatedLiabilities" xlink:title="RepaymentsOfSubordinatedLiabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="RepaymentsOfSubordinatedLiabilities" xlink:title="calculation: CashFlowsFromUsedInFinancingActivities to RepaymentsOfSubordinatedLiabilities" order="6.0" weight="-1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities" xlink:label="ProceedsFromIssueOfSubordinatedLiabilities" xlink:title="ProceedsFromIssueOfSubordinatedLiabilities"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="ProceedsFromIssueOfSubordinatedLiabilities" xlink:title="calculation: CashFlowsFromUsedInFinancingActivities to ProceedsFromIssueOfSubordinatedLiabilities" order="7.0" weight="1.0"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" xlink:label="ProceedsFromContributionsOfNoncontrollingInterests" xlink:title="ProceedsFromContributionsOfNoncontrollingInterests"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="ProceedsFromContributionsOfNoncontrollingInterests" xlink:title="calculation: CashFlowsFromUsedInFinancingActivities to ProceedsFromContributionsOfNoncontrollingInterests" order="8.0" weight="1.0"/>
  </calculationLink>
</linkbase>
