Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsStochasticSoilProfileProperties.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r7603662fcb3445b3b83461da1026334009c4c54c
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsStochasticSoilProfileProperties.cs	(.../MacroStabilityInwardsStochasticSoilProfileProperties.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsStochasticSoilProfileProperties.cs	(.../MacroStabilityInwardsStochasticSoilProfileProperties.cs)	(revision 7603662fcb3445b3b83461da1026334009c4c54c)
@@ -75,11 +75,11 @@
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_General))]
         [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.StochasticSoilProfile_Probability_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.StochasticSoilProfile_Probability_Description))]
-        public string Probability
+        public RoundedDouble Probability
         {
             get
             {
-                return new RoundedDouble(3, data.Probability * 100).Value.ToString(CultureInfo.CurrentCulture);
+                return new RoundedDouble(2, data.Probability * 100);
             }
         }
 
@@ -139,6 +139,7 @@
                 {
                     return RingtoetsCommonFormsResources.StochasticSoilProfile_Type_1D;
                 }
+
                 if (data.SoilProfile is MacroStabilityInwardsSoilProfile2D)
                 {
                     return RingtoetsCommonFormsResources.StochasticSoilProfile_Type_2D;
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsStochasticSoilProfilePropertiesTest.cs
===================================================================
diff -u -rc4392a12110e2bb3549c5fee1ec319c229b67198 -r7603662fcb3445b3b83461da1026334009c4c54c
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsStochasticSoilProfilePropertiesTest.cs	(.../MacroStabilityInwardsStochasticSoilProfilePropertiesTest.cs)	(revision c4392a12110e2bb3549c5fee1ec319c229b67198)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsStochasticSoilProfilePropertiesTest.cs	(.../MacroStabilityInwardsStochasticSoilProfilePropertiesTest.cs)	(revision 7603662fcb3445b3b83461da1026334009c4c54c)
@@ -29,6 +29,7 @@
 using Core.Common.Gui.PropertyBag;
 using Core.Common.TestUtil;
 using NUnit.Framework;
+using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.MacroStabilityInwards.Data.SoilProfile;
 using Ringtoets.MacroStabilityInwards.Data.TestUtil.SoilProfile;
 using Ringtoets.MacroStabilityInwards.Forms.PropertyClasses;
@@ -73,43 +74,31 @@
         }
 
         [Test]
-        [TestCase(0.142, "14,2")]
-        [TestCase(1.0, "100")]
-        [TestCase(0.5 + 1e-6, "50")]
         [SetCulture("nl-NL")]
-        public void GetProperties_WithSoilProfile1DAndDutchLocale_ReturnExpectedValues(double probability, string expectedProbability)
+        public void GetProperties_WithSoilProfile1DAndDutchLocale_ReturnExpectedValues()
         {
-            GetProperties_WithSoilProfile1D_ReturnExpectedValues(probability, expectedProbability);
+            GetProperties_WithSoilProfile1D_ReturnExpectedValues(0.54321);
         }
 
         [Test]
-        [TestCase(0.142, "14.2")]
-        [TestCase(1.0, "100")]
-        [TestCase(0.5 + 1e-6, "50")]
         [SetCulture("en-US")]
-        public void GetProperties_WithData1DAndEnglishLocale_ReturnExpectedValues(double probability, string expectedProbability)
+        public void GetProperties_WithData1DAndEnglishLocale_ReturnExpectedValues()
         {
-            GetProperties_WithSoilProfile1D_ReturnExpectedValues(probability, expectedProbability);
+            GetProperties_WithSoilProfile1D_ReturnExpectedValues(0.54321);
         }
 
         [Test]
-        [TestCase(0.142, "14,2")]
-        [TestCase(1.0, "100")]
-        [TestCase(0.5 + 1e-6, "50")]
         [SetCulture("nl-NL")]
-        public void GetProperties_WithSoilProfile2DAndDutchLocale_ReturnExpectedValues(double probability, string expectedProbability)
+        public void GetProperties_WithSoilProfile2DAndDutchLocale_ReturnExpectedValues()
         {
-            GetProperties_WithSoilProfile2D_ReturnExpectedValues(probability, expectedProbability);
+            GetProperties_WithSoilProfile2D_ReturnExpectedValues(0.54321);
         }
 
         [Test]
-        [TestCase(0.142, "14.2")]
-        [TestCase(1.0, "100")]
-        [TestCase(0.5 + 1e-6, "50")]
         [SetCulture("en-US")]
-        public void GetProperties_WithSoilProfile2DAndEnglishLocale_ReturnExpectedValues(double probability, string expectedProbability)
+        public void GetProperties_WithSoilProfile2DAndEnglishLocale_ReturnExpectedValues()
         {
-            GetProperties_WithSoilProfile2D_ReturnExpectedValues(probability, expectedProbability);
+            GetProperties_WithSoilProfile2D_ReturnExpectedValues(0.54321);
         }
 
         [Test]
@@ -168,7 +157,6 @@
         public void DynamicVisibleValidationMethod_AnyOtherProperty_ReturnsFalse()
         {
             // Setup
-
             var soilProfile = new MacroStabilityInwardsSoilProfile1D("name", -5.0, new[]
             {
                 new MacroStabilityInwardsSoilLayer1D(-2)
@@ -309,7 +297,7 @@
             Assert.AreEqual(expectedMessage, exception.Message);
         }
 
-        private static void GetProperties_WithSoilProfile1D_ReturnExpectedValues(double probability, string expectedProbability)
+        private static void GetProperties_WithSoilProfile1D_ReturnExpectedValues(double probability)
         {
             // Setup
             var layerOne = new MacroStabilityInwardsSoilLayer1D(-2);
@@ -336,11 +324,12 @@
 
             CollectionAssert.IsEmpty(properties.Layers2D);
             Assert.AreEqual(soilProfile.Bottom.ToString(CultureInfo.CurrentCulture), properties.Bottom);
-            Assert.AreEqual(expectedProbability, properties.Probability);
+            Assert.AreEqual(2, properties.Probability.NumberOfDecimalPlaces);
+            Assert.AreEqual(probability * 100, properties.Probability, properties.Probability.GetAccuracy());
             Assert.AreEqual("1D profiel", properties.Type);
         }
 
-        private static void GetProperties_WithSoilProfile2D_ReturnExpectedValues(double probability, string expectedProbability)
+        private static void GetProperties_WithSoilProfile2D_ReturnExpectedValues(double probability)
         {
             // Setup
             MacroStabilityInwardsSoilLayer2D layerOne = CreateMacroStabilityInwardsSoilLayer2D();
@@ -372,8 +361,8 @@
 
             CollectionAssert.IsEmpty(properties.Layers1D);
             Assert.AreEqual(double.NaN.ToString(CultureInfo.CurrentCulture), properties.Bottom);
-
-            Assert.AreEqual(expectedProbability, properties.Probability);
+            Assert.AreEqual(2, properties.Probability.NumberOfDecimalPlaces);
+            Assert.AreEqual(probability * 100, properties.Probability, properties.Probability.GetAccuracy());
             Assert.AreEqual("2D profiel", properties.Type);
 
             TestHelper.AssertTypeConverter<MacroStabilityInwardsStochasticSoilProfileProperties,