Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/Views/ClosingStructuresFailureMechanismSectionResultRow.cs
===================================================================
diff -u -rb5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2 -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/Views/ClosingStructuresFailureMechanismSectionResultRow.cs	(.../ClosingStructuresFailureMechanismSectionResultRow.cs)	(revision b5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/Views/ClosingStructuresFailureMechanismSectionResultRow.cs	(.../ClosingStructuresFailureMechanismSectionResultRow.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -42,16 +42,20 @@
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="sectionResult"/> is <c>null</c>.</exception>
         public ClosingStructuresFailureMechanismSectionResultRow(ClosingStructuresFailureMechanismSectionResult sectionResult) : base(sectionResult) {}
 
-        [TypeConverter(typeof(NoProbabilityValueRoundedDoubleConverter))]
-        public RoundedDouble AssessmentLayerThree
+        /// <summary>
+        /// Gets or sets the value representing the result of the layer 3 assessment.
+        /// </summary>
+        [TypeConverter(typeof(NoProbabilityValueDoubleConverter))]
+        public double AssessmentLayerThree
         {
             get
             {
                 return SectionResult.AssessmentLayerThree;
             }
             set
             {
-                SectionResult.AssessmentLayerThree = value;
+                int nrOfDecimals = SectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+                SectionResult.AssessmentLayerThree = new RoundedDouble(nrOfDecimals, value);
             }
         }
 
Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r0aacf2dc29138c69f365fe26a143d4e83b172dbe -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismSectionResultRowTest.cs	(.../ClosingStructuresFailureMechanismSectionResultRowTest.cs)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismSectionResultRowTest.cs	(.../ClosingStructuresFailureMechanismSectionResultRowTest.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -53,7 +53,7 @@
             Assert.AreEqual(result.AssessmentLayerTwoA, row.AssessmentLayerTwoA);
             TestHelper.AssertTypeConverter<ClosingStructuresFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(ClosingStructuresFailureMechanismSectionResultRow.AssessmentLayerTwoA));
-            TestHelper.AssertTypeConverter<ClosingStructuresFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
+            TestHelper.AssertTypeConverter<ClosingStructuresFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(ClosingStructuresFailureMechanismSectionResultRow.AssessmentLayerThree));
         }
 
@@ -173,16 +173,21 @@
         {
             // Setup
             var random = new Random(21);
-            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();
+            double assessmentLayerThree = random.NextDouble();
 
             var sectionResult = new ClosingStructuresFailureMechanismSectionResult(CreateSection());
             var row = new ClosingStructuresFailureMechanismSectionResultRow(sectionResult);
 
+            int nrOfExpectedDecimals = sectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+
             // Call
             row.AssessmentLayerThree = assessmentLayerThree;
 
             // Assert
-            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
+            RoundedDouble actualAssessmentLayerThreeValue = sectionResult.AssessmentLayerThree;
+            Assert.AreEqual(assessmentLayerThree, actualAssessmentLayerThreeValue,
+                            actualAssessmentLayerThreeValue.GetAccuracy());
+            Assert.AreEqual(nrOfExpectedDecimals, actualAssessmentLayerThreeValue.NumberOfDecimalPlaces);
         }
 
         private static FailureMechanismSection CreateSection()
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Ringtoets.Common.Forms.csproj
===================================================================
diff -u -r0aacf2dc29138c69f365fe26a143d4e83b172dbe -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Ringtoets.Common.Forms.csproj	(.../Ringtoets.Common.Forms.csproj)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Ringtoets.Common.Forms.csproj	(.../Ringtoets.Common.Forms.csproj)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -130,7 +130,6 @@
     <Compile Include="StructureSelectionDialog.cs">
       <SubType>Form</SubType>
     </Compile>
-    <Compile Include="TypeConverters\NoProbabilityValueRoundedDoubleConverter.cs" />
     <Compile Include="UITypeEditors\HydraulicBoundaryLocationEditor.cs" />
     <Compile Include="UITypeEditors\ForeshoreProfileEditor.cs" />
     <Compile Include="UITypeEditors\IHasForeshoreProfileProperty.cs" />
Fisheye: Tag e003fd6aa0759f680c6a33dba07f7b58c6ac52d5 refers to a dead (removed) revision in file `Ringtoets/Common/src/Ringtoets.Common.Forms/TypeConverters/NoProbabilityValueRoundedDoubleConverter.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj
===================================================================
diff -u -r0aacf2dc29138c69f365fe26a143d4e83b172dbe -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj	(.../Ringtoets.Common.Forms.Test.csproj)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj	(.../Ringtoets.Common.Forms.Test.csproj)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -121,7 +121,6 @@
     <Compile Include="TreeNodeInfos\RingtoetsTreeNodeInfoFactoryTest.cs" />
     <Compile Include="TreeNodeInfos\RingtoetsContextMenuItemFactoryTest.cs" />
     <Compile Include="TypeConverters\NoProbabilityValueDoubleConverterTest.cs" />
-    <Compile Include="TypeConverters\NoProbabilityValueRoundedDoubleConverterTest.cs" />
     <Compile Include="TypeConverters\NoValueRoundedDoubleConverterTest.cs" />
     <Compile Include="PresentationObjects\SelectableHydraulicBoundaryLocationTest.cs" />
     <Compile Include="UITypeEditors\HydraulicBoundaryLocationEditorTest.cs" />
Fisheye: Tag e003fd6aa0759f680c6a33dba07f7b58c6ac52d5 refers to a dead (removed) revision in file `Ringtoets/Common/test/Ringtoets.Common.Forms.Test/TypeConverters/NoProbabilityValueRoundedDoubleConverterTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRow.cs
===================================================================
diff -u -rb5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2 -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRow.cs	(.../GrassCoverErosionInwardsFailureMechanismSectionResultRow.cs)	(revision b5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRow.cs	(.../GrassCoverErosionInwardsFailureMechanismSectionResultRow.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -43,16 +43,20 @@
         /// <c>null</c>.</exception>
         public GrassCoverErosionInwardsFailureMechanismSectionResultRow(GrassCoverErosionInwardsFailureMechanismSectionResult sectionResult) : base(sectionResult) {}
 
-        [TypeConverter(typeof(NoProbabilityValueRoundedDoubleConverter))]
-        public RoundedDouble AssessmentLayerThree
+        /// <summary>
+        /// Gets or sets the value representing the result of the layer 3 assessment.
+        /// </summary>
+        [TypeConverter(typeof(NoProbabilityValueDoubleConverter))]
+        public double AssessmentLayerThree
         {
             get
             {
                 return SectionResult.AssessmentLayerThree;
             }
             set
             {
-               SectionResult.AssessmentLayerThree = value;
+                int nrOfDecimals = SectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+                SectionResult.AssessmentLayerThree = new RoundedDouble(nrOfDecimals, value);
             }
         }
 
Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r0aacf2dc29138c69f365fe26a143d4e83b172dbe -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs	(.../GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs	(.../GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -26,6 +26,7 @@
 using NUnit.Framework;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.FailureMechanism;
+using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.Common.Forms.TypeConverters;
 using Ringtoets.Common.Forms.Views;
 using Ringtoets.GrassCoverErosionInwards.Data;
@@ -52,7 +53,7 @@
             Assert.AreEqual(result.AssessmentLayerTwoA, row.AssessmentLayerTwoA);
             TestHelper.AssertTypeConverter<GrassCoverErosionInwardsFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(GrassCoverErosionInwardsFailureMechanismSectionResultRow.AssessmentLayerTwoA));
-            TestHelper.AssertTypeConverter<GrassCoverErosionInwardsFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
+            TestHelper.AssertTypeConverter<GrassCoverErosionInwardsFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(GrassCoverErosionInwardsFailureMechanismSectionResultRow.AssessmentLayerThree));
         }
 
@@ -176,16 +177,21 @@
         {
             // Setup
             var random = new Random(21);
-            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();
+            double assessmentLayerThree = random.NextDouble();
 
             var sectionResult = new GrassCoverErosionInwardsFailureMechanismSectionResult(CreateSection());
             var row = new GrassCoverErosionInwardsFailureMechanismSectionResultRow(sectionResult);
 
+            int nrOfExpectedDecimals = sectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+
             // Call
             row.AssessmentLayerThree = assessmentLayerThree;
 
             // Assert
-            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
+            RoundedDouble actualAssessmentLayerThreeValue = sectionResult.AssessmentLayerThree;
+            Assert.AreEqual(assessmentLayerThree, actualAssessmentLayerThreeValue,
+                            actualAssessmentLayerThreeValue.GetAccuracy());
+            Assert.AreEqual(nrOfExpectedDecimals, sectionResult.AssessmentLayerThree.NumberOfDecimalPlaces);
         }
 
         private static FailureMechanismSection CreateSection()
Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/Views/HeightStructuresFailureMechanismSectionResultRow.cs
===================================================================
diff -u -rb5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2 -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/Views/HeightStructuresFailureMechanismSectionResultRow.cs	(.../HeightStructuresFailureMechanismSectionResultRow.cs)	(revision b5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/Views/HeightStructuresFailureMechanismSectionResultRow.cs	(.../HeightStructuresFailureMechanismSectionResultRow.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -41,16 +41,20 @@
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="sectionResult"/> is <c>null</c>.</exception>
         public HeightStructuresFailureMechanismSectionResultRow(HeightStructuresFailureMechanismSectionResult sectionResult) : base(sectionResult) {}
 
-        [TypeConverter(typeof(NoProbabilityValueRoundedDoubleConverter))]
-        public RoundedDouble AssessmentLayerThree
+        /// <summary>
+        /// Gets or sets the value representing the result of the layer 3 assessment.
+        /// </summary>
+        [TypeConverter(typeof(NoProbabilityValueDoubleConverter))]
+        public double AssessmentLayerThree
         {
             get
             {
                 return SectionResult.AssessmentLayerThree;
             }
             set
             {
-                SectionResult.AssessmentLayerThree = value;
+                int nrOfDecimals = SectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+                SectionResult.AssessmentLayerThree = new RoundedDouble(nrOfDecimals, value);
             }
         }
 
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r0aacf2dc29138c69f365fe26a143d4e83b172dbe -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismSectionResultRowTest.cs	(.../HeightStructuresFailureMechanismSectionResultRowTest.cs)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismSectionResultRowTest.cs	(.../HeightStructuresFailureMechanismSectionResultRowTest.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -53,7 +53,7 @@
             Assert.AreEqual(result.AssessmentLayerTwoA, row.AssessmentLayerTwoA);
             TestHelper.AssertTypeConverter<HeightStructuresFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(HeightStructuresFailureMechanismSectionResultRow.AssessmentLayerTwoA));
-            TestHelper.AssertTypeConverter<HeightStructuresFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
+            TestHelper.AssertTypeConverter<HeightStructuresFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(HeightStructuresFailureMechanismSectionResultRow.AssessmentLayerThree));
         }
 
@@ -173,16 +173,21 @@
         {
             // Setup
             var random = new Random(21);
-            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();
+            double assessmentLayerThree = random.NextDouble();
 
             var sectionResult = new HeightStructuresFailureMechanismSectionResult(CreateSection());
             var row = new HeightStructuresFailureMechanismSectionResultRow(sectionResult);
 
+            int nrOfExpectedDecimals = sectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+
             // Call
             row.AssessmentLayerThree = assessmentLayerThree;
 
             // Assert
-            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
+            RoundedDouble actualAssessmentLayerThreeValue = sectionResult.AssessmentLayerThree;
+            Assert.AreEqual(assessmentLayerThree, actualAssessmentLayerThreeValue,
+                actualAssessmentLayerThreeValue.GetAccuracy());
+            Assert.AreEqual(nrOfExpectedDecimals, actualAssessmentLayerThreeValue.NumberOfDecimalPlaces);
         }
 
         private static FailureMechanismSection CreateSection()
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsFailureMechanismSectionResultRow.cs
===================================================================
diff -u -rb5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2 -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsFailureMechanismSectionResultRow.cs	(.../MacroStabilityInwardsFailureMechanismSectionResultRow.cs)	(revision b5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsFailureMechanismSectionResultRow.cs	(.../MacroStabilityInwardsFailureMechanismSectionResultRow.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -56,16 +56,20 @@
             this.calculations = calculations;
         }
 
-        [TypeConverter(typeof(NoProbabilityValueRoundedDoubleConverter))]
-        public RoundedDouble AssessmentLayerThree
+        /// <summary>
+        /// Gets or sets the value representing the result of the layer 3 assessment.
+        /// </summary>
+        [TypeConverter(typeof(NoProbabilityValueDoubleConverter))]
+        public double AssessmentLayerThree
         {
             get
             {
                 return SectionResult.AssessmentLayerThree;
             }
             set
             {
-                SectionResult.AssessmentLayerThree = value;
+                int nrOfDecimals = SectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+                SectionResult.AssessmentLayerThree = new RoundedDouble(nrOfDecimals, value);
             }
         }
 
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/Views/MacroStabilityInwardsFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r0aacf2dc29138c69f365fe26a143d4e83b172dbe -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/Views/MacroStabilityInwardsFailureMechanismSectionResultRowTest.cs	(.../MacroStabilityInwardsFailureMechanismSectionResultRowTest.cs)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/Views/MacroStabilityInwardsFailureMechanismSectionResultRowTest.cs	(.../MacroStabilityInwardsFailureMechanismSectionResultRowTest.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -27,6 +27,7 @@
 using NUnit.Framework;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.FailureMechanism;
+using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.Common.Forms.TypeConverters;
 using Ringtoets.Common.Forms.Views;
 using Ringtoets.MacroStabilityInwards.Data;
@@ -53,7 +54,7 @@
             Assert.AreEqual(result.GetAssessmentLayerTwoA(Enumerable.Empty<MacroStabilityInwardsCalculationScenario>()), row.AssessmentLayerTwoA);
             TestHelper.AssertTypeConverter<MacroStabilityInwardsFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(MacroStabilityInwardsFailureMechanismSectionResultRow.AssessmentLayerTwoA));
-            TestHelper.AssertTypeConverter<MacroStabilityInwardsFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
+            TestHelper.AssertTypeConverter<MacroStabilityInwardsFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(MacroStabilityInwardsFailureMechanismSectionResultRow.AssessmentLayerThree));
         }
 
@@ -171,17 +172,22 @@
         {
             // Setup
             var random = new Random(21);
-            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();
+            double assessmentLayerThree = random.NextDouble();
 
             var sectionResult = new MacroStabilityInwardsFailureMechanismSectionResult(CreateSection());
             var row = new MacroStabilityInwardsFailureMechanismSectionResultRow(sectionResult,
                                                                                 Enumerable.Empty<MacroStabilityInwardsCalculationScenario>());
 
+            int nrOfExpectedDecimals = sectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+
             // Call
             row.AssessmentLayerThree = assessmentLayerThree;
 
             // Assert
-            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
+            RoundedDouble actualAssessmentLayerThreeValue = sectionResult.AssessmentLayerThree;
+            Assert.AreEqual(assessmentLayerThree, actualAssessmentLayerThreeValue,
+                            actualAssessmentLayerThreeValue.GetAccuracy());
+            Assert.AreEqual(nrOfExpectedDecimals, actualAssessmentLayerThreeValue.NumberOfDecimalPlaces);
         }
 
         private static FailureMechanismSection CreateSection()
Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingFailureMechanismSectionResultRow.cs
===================================================================
diff -u -rb5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2 -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingFailureMechanismSectionResultRow.cs	(.../PipingFailureMechanismSectionResultRow.cs)	(revision b5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingFailureMechanismSectionResultRow.cs	(.../PipingFailureMechanismSectionResultRow.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -56,16 +56,20 @@
             this.calculations = calculations;
         }
 
-        [TypeConverter(typeof(NoProbabilityValueRoundedDoubleConverter))]
-        public RoundedDouble AssessmentLayerThree
+        /// <summary>
+        /// Gets or sets the value representing the result of the layer 3 assessment.
+        /// </summary>
+        [TypeConverter(typeof(NoProbabilityValueDoubleConverter))]
+        public double AssessmentLayerThree
         {
             get
             {
                 return SectionResult.AssessmentLayerThree;
             }
             set
             {
-                SectionResult.AssessmentLayerThree = value;
+                int nrOfDecimals = SectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+                SectionResult.AssessmentLayerThree = new RoundedDouble(nrOfDecimals, value);
             }
         }
 
Index: Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r0aacf2dc29138c69f365fe26a143d4e83b172dbe -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingFailureMechanismSectionResultRowTest.cs	(.../PipingFailureMechanismSectionResultRowTest.cs)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingFailureMechanismSectionResultRowTest.cs	(.../PipingFailureMechanismSectionResultRowTest.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -27,6 +27,7 @@
 using NUnit.Framework;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.FailureMechanism;
+using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.Common.Forms.TypeConverters;
 using Ringtoets.Common.Forms.Views;
 using Ringtoets.Piping.Data;
@@ -53,7 +54,7 @@
             Assert.AreEqual(result.GetAssessmentLayerTwoA(Enumerable.Empty<PipingCalculationScenario>()), row.AssessmentLayerTwoA);
             TestHelper.AssertTypeConverter<PipingFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(PipingFailureMechanismSectionResultRow.AssessmentLayerTwoA));
-            TestHelper.AssertTypeConverter<PipingFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
+            TestHelper.AssertTypeConverter<PipingFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(PipingFailureMechanismSectionResultRow.AssessmentLayerThree));
         }
 
@@ -171,17 +172,22 @@
         {
             // Setup
             var random = new Random(21);
-            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();
+            double assessmentLayerThree = random.NextDouble();
 
             var sectionResult = new PipingFailureMechanismSectionResult(CreateSection());
             var row = new PipingFailureMechanismSectionResultRow(sectionResult,
                                                                  Enumerable.Empty<PipingCalculationScenario>());
 
+            int nrOfExpectedDecimals = sectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+
             // Call
             row.AssessmentLayerThree = assessmentLayerThree;
 
             // Assert
-            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
+            RoundedDouble actualAssessmentLayerThreeValue = sectionResult.AssessmentLayerThree;
+            Assert.AreEqual(assessmentLayerThree, actualAssessmentLayerThreeValue,
+                            actualAssessmentLayerThreeValue.GetAccuracy());
+            Assert.AreEqual(nrOfExpectedDecimals, actualAssessmentLayerThreeValue.NumberOfDecimalPlaces);
         }
 
         private static FailureMechanismSection CreateSection()
Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismSectionResultRow.cs
===================================================================
diff -u -rb5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2 -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismSectionResultRow.cs	(.../StabilityPointStructuresFailureMechanismSectionResultRow.cs)	(revision b5a3ccef1cfc5e4cbfea0a97a8a9ee8ae5a199e2)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismSectionResultRow.cs	(.../StabilityPointStructuresFailureMechanismSectionResultRow.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -54,16 +54,20 @@
             }
         }
 
-        [TypeConverter(typeof(NoProbabilityValueRoundedDoubleConverter))]
-        public RoundedDouble AssessmentLayerThree
+        /// <summary>
+        /// Gets or sets the value representing the result of the layer 3 assessment.
+        /// </summary>
+        [TypeConverter(typeof(NoProbabilityValueDoubleConverter))]
+        public double AssessmentLayerThree
         {
             get
             {
                 return SectionResult.AssessmentLayerThree;
             }
             set
             {
-                SectionResult.AssessmentLayerThree = value;
+                int nrOfDecimals = SectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+                SectionResult.AssessmentLayerThree = new RoundedDouble(nrOfDecimals, value);
             }
         }
 
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r0aacf2dc29138c69f365fe26a143d4e83b172dbe -re003fd6aa0759f680c6a33dba07f7b58c6ac52d5
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismSectionResultRowTest.cs	(.../StabilityPointStructuresFailureMechanismSectionResultRowTest.cs)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismSectionResultRowTest.cs	(.../StabilityPointStructuresFailureMechanismSectionResultRowTest.cs)	(revision e003fd6aa0759f680c6a33dba07f7b58c6ac52d5)
@@ -53,7 +53,7 @@
             Assert.AreEqual(result.AssessmentLayerTwoA, row.AssessmentLayerTwoA);
             TestHelper.AssertTypeConverter<StabilityPointStructuresFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(StabilityPointStructuresFailureMechanismSectionResultRow.AssessmentLayerTwoA));
-            TestHelper.AssertTypeConverter<StabilityPointStructuresFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
+            TestHelper.AssertTypeConverter<StabilityPointStructuresFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(StabilityPointStructuresFailureMechanismSectionResultRow.AssessmentLayerThree));
         }
 
@@ -173,16 +173,21 @@
         {
             // Setup
             var random = new Random(21);
-            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();
+            double assessmentLayerThree = random.NextDouble();
 
             var sectionResult = new StabilityPointStructuresFailureMechanismSectionResult(CreateSection());
             var row = new StabilityPointStructuresFailureMechanismSectionResultRow(sectionResult);
 
+            int expectedNrOfDecimals = sectionResult.AssessmentLayerThree.NumberOfDecimalPlaces;
+
             // Call
             row.AssessmentLayerThree = assessmentLayerThree;
 
             // Assert
-            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
+            RoundedDouble actualAssessmentLayerThreeValue = sectionResult.AssessmentLayerThree;
+            Assert.AreEqual(assessmentLayerThree, actualAssessmentLayerThreeValue,
+                actualAssessmentLayerThreeValue.GetAccuracy());
+            Assert.AreEqual(expectedNrOfDecimals, actualAssessmentLayerThreeValue.NumberOfDecimalPlaces);
         }
 
         private static FailureMechanismSection CreateSection()