Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Hydraulics/WaveConditionsInput.cs
===================================================================
diff -u -r4142f56ada4f19e2fc3a0e828042bec111c1cecd -rab59b0648bcae3ff70932998fbfa1a266558b8e6
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Hydraulics/WaveConditionsInput.cs	(.../WaveConditionsInput.cs)	(revision 4142f56ada4f19e2fc3a0e828042bec111c1cecd)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Hydraulics/WaveConditionsInput.cs	(.../WaveConditionsInput.cs)	(revision ab59b0648bcae3ff70932998fbfa1a266558b8e6)
@@ -19,22 +19,28 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using Core.Common.Utils;
+
 namespace Ringtoets.HydraRing.Calculation.Data.Input.Hydraulics
 {
     /// <summary>
     /// Container of all data necessary for performing a wave conditions calculation (Q-variant) via Hydra-Ring.
     /// </summary>
     public class WaveConditionsInput : HydraRingCalculationInput
     {
+        private readonly double beta;
         private readonly HydraRingSection section;
 
         /// <summary>
         /// Creates a new instance of the <see cref="WaveConditionsInput"/> class.
         /// </summary>
         /// <param name="sectionId">The id of the section to use during the calculation.</param>
         /// <param name="hydraulicBoundaryLocationId">The id of the hydraulic station to use during the calculation.</param>
-        public WaveConditionsInput(int sectionId, long hydraulicBoundaryLocationId) : base(hydraulicBoundaryLocationId)
+        /// <param name="norm">The norm to use during the calculation.</param>
+        /// <remarks>As a part of the constructor, the <paramref name="norm"/> is automatically converted into a reliability index.</remarks>
+        public WaveConditionsInput(int sectionId, long hydraulicBoundaryLocationId, double norm) : base(hydraulicBoundaryLocationId)
         {
+            beta = StatisticsConverter.NormToBeta(norm);
             section = new HydraRingSection(sectionId, double.NaN, double.NaN);
         }
 
@@ -69,5 +75,13 @@
                 return section;
             }
         }
+
+        public override double Beta
+        {
+            get
+            {
+                return beta;
+            }
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Hydraulics/WaveConditionsInputTest.cs
===================================================================
diff -u -r4142f56ada4f19e2fc3a0e828042bec111c1cecd -rab59b0648bcae3ff70932998fbfa1a266558b8e6
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Hydraulics/WaveConditionsInputTest.cs	(.../WaveConditionsInputTest.cs)	(revision 4142f56ada4f19e2fc3a0e828042bec111c1cecd)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Hydraulics/WaveConditionsInputTest.cs	(.../WaveConditionsInputTest.cs)	(revision ab59b0648bcae3ff70932998fbfa1a266558b8e6)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using Core.Common.Utils;
 using NUnit.Framework;
 using Ringtoets.HydraRing.Calculation.Data;
 using Ringtoets.HydraRing.Calculation.Data.Input;
@@ -33,22 +34,25 @@
         public void Constructor_Always_ExpectedValues()
         {
             // Setup
+            const int norm = 111;
             const int sectionId = 2;
-            const int hydraulicBoundaryLocationId = 1000;
+            const int hydraulicBoundaryLocationId = 3000;
 
             // Call
-            var waveConditionsInput = new WaveConditionsInput(sectionId, hydraulicBoundaryLocationId);
+            var waveConditionsInput = new WaveConditionsInput(sectionId, hydraulicBoundaryLocationId, norm);
 
             // Assert
             const int expectedCalculationTypeId = 6;
             const int expectedVariableId = 114;
+            double expectedBeta = StatisticsConverter.NormToBeta(norm);
             Assert.IsInstanceOf<HydraRingCalculationInput>(waveConditionsInput);
             Assert.AreEqual(HydraRingFailureMechanismType.QVariant, waveConditionsInput.FailureMechanismType);
             Assert.AreEqual(expectedCalculationTypeId, waveConditionsInput.CalculationTypeId);
             Assert.AreEqual(expectedVariableId, waveConditionsInput.VariableId);
             Assert.AreEqual(hydraulicBoundaryLocationId, waveConditionsInput.HydraulicBoundaryLocationId);
             Assert.IsNotNull(waveConditionsInput.Section);
             Assert.AreEqual(sectionId, waveConditionsInput.Section.SectionId);
+            Assert.AreEqual(expectedBeta, waveConditionsInput.Beta);
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/TargetProbabilityCalculationInputTest.cs
===================================================================
diff -u -r4ba68ad8c0ed15ce0449c39a5c6df1ef53daf866 -rab59b0648bcae3ff70932998fbfa1a266558b8e6
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/TargetProbabilityCalculationInputTest.cs	(.../TargetProbabilityCalculationInputTest.cs)	(revision 4ba68ad8c0ed15ce0449c39a5c6df1ef53daf866)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/TargetProbabilityCalculationInputTest.cs	(.../TargetProbabilityCalculationInputTest.cs)	(revision ab59b0648bcae3ff70932998fbfa1a266558b8e6)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using Core.Common.Utils;
 using MathNet.Numerics.Distributions;
 using NUnit.Framework;
 using Ringtoets.HydraRing.Calculation.Data;
@@ -38,10 +39,10 @@
         public void Constructed_UsingDifferentNormAndLocationId_ReturnDifferentBetaAndDefaultValues(int locationId, double norm)
         {
             // Call
-            var expectedBeta = -Normal.InvCDF(0.0, 1.0, 1.0/norm);
             var targetProbabilityCalculationInputImplementation = new SimpleTargetProbabilityCalculationInput(locationId, norm);
 
             // Assert
+            double expectedBeta = StatisticsConverter.NormToBeta(norm);
             Assert.AreEqual(locationId, targetProbabilityCalculationInputImplementation.HydraulicBoundaryLocationId);
             Assert.AreEqual(2, targetProbabilityCalculationInputImplementation.CalculationTypeId);
             CollectionAssert.IsEmpty(targetProbabilityCalculationInputImplementation.Variables);
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Ringtoets.HydraRing.Calculation.Test.csproj
===================================================================
diff -u -r4142f56ada4f19e2fc3a0e828042bec111c1cecd -rab59b0648bcae3ff70932998fbfa1a266558b8e6
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Ringtoets.HydraRing.Calculation.Test.csproj	(.../Ringtoets.HydraRing.Calculation.Test.csproj)	(revision 4142f56ada4f19e2fc3a0e828042bec111c1cecd)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Ringtoets.HydraRing.Calculation.Test.csproj	(.../Ringtoets.HydraRing.Calculation.Test.csproj)	(revision ab59b0648bcae3ff70932998fbfa1a266558b8e6)
@@ -114,6 +114,10 @@
       <Project>{3BBFD65B-B277-4E50-AE6D-BD24C3434609}</Project>
       <Name>Core.Common.Base</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\..\Core\Common\src\Core.Common.Utils\Core.Common.Utils.csproj">
+      <Project>{F49BD8B2-332A-4C91-A196-8CCE0A2C7D98}</Project>
+      <Name>Core.Common.Utils</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\Core\Common\test\Core.Common.TestUtil\Core.Common.TestUtil.csproj">
       <Project>{D749EE4C-CE50-4C17-BF01-9A953028C126}</Project>
       <Name>Core.Common.TestUtil</Name>