Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Properties/Resources.Designer.cs
===================================================================
diff -u -rf9241a51f8525620485436283b49f525fc6cfff5 -r2109804607e2c1041dc78167f44c116f0bee45df
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision f9241a51f8525620485436283b49f525fc6cfff5)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 2109804607e2c1041dc78167f44c116f0bee45df)
@@ -473,6 +473,24 @@
         }
         
         /// <summary>
+        ///   Looks up a localized string similar to Modelfactor die wordt gebruikt bij de berekening van de benaderde faalkans op basis van de berekende stabiliteitsfactor..
+        /// </summary>
+        public static string MacroStabilityInwardsFailureMechanismProperties_ModelFactor_Description {
+            get {
+                return ResourceManager.GetString("MacroStabilityInwardsFailureMechanismProperties_ModelFactor_Description", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Modelfactor [-].
+        /// </summary>
+        public static string MacroStabilityInwardsFailureMechanismProperties_ModelFactor_DisplayName {
+            get {
+                return ResourceManager.GetString("MacroStabilityInwardsFailureMechanismProperties_ModelFactor_DisplayName", resourceCulture);
+            }
+        }
+        
+        /// <summary>
         ///   Looks up a localized string similar to De locatie met hydraulische randvoorwaarden waarvan het berekende toetspeil wordt gebruikt..
         /// </summary>
         public static string MacroStabilityInwardsInput_HydraulicBoundaryLocation_Description {
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Properties/Resources.resx
===================================================================
diff -u -rf9241a51f8525620485436283b49f525fc6cfff5 -r2109804607e2c1041dc78167f44c116f0bee45df
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision f9241a51f8525620485436283b49f525fc6cfff5)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision 2109804607e2c1041dc78167f44c116f0bee45df)
@@ -745,4 +745,10 @@
   <data name="Unit_None" xml:space="preserve">
     <value>[-]</value>
   </data>
+  <data name="MacroStabilityInwardsFailureMechanismProperties_ModelFactor_Description" xml:space="preserve">
+    <value>Modelfactor die wordt gebruikt bij de berekening van de benaderde faalkans op basis van de berekende stabiliteitsfactor.</value>
+  </data>
+  <data name="MacroStabilityInwardsFailureMechanismProperties_ModelFactor_DisplayName" xml:space="preserve">
+    <value>Modelfactor [-]</value>
+  </data>
 </root>
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsFailureMechanismProperties.cs
===================================================================
diff -u -r60e5e7fd23d7d028fbf73251126ab5672d5ca8b9 -r2109804607e2c1041dc78167f44c116f0bee45df
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsFailureMechanismProperties.cs	(.../MacroStabilityInwardsFailureMechanismProperties.cs)	(revision 60e5e7fd23d7d028fbf73251126ab5672d5ca8b9)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsFailureMechanismProperties.cs	(.../MacroStabilityInwardsFailureMechanismProperties.cs)	(revision 2109804607e2c1041dc78167f44c116f0bee45df)
@@ -26,6 +26,7 @@
 using Core.Common.Util.Attributes;
 using Ringtoets.Common.Data.Probability;
 using Ringtoets.MacroStabilityInwards.Data;
+using Ringtoets.MacroStabilityInwards.Forms.Properties;
 using RingtoetsCommonFormsResources = Ringtoets.Common.Forms.Properties.Resources;
 
 namespace Ringtoets.MacroStabilityInwards.Forms.PropertyClasses
@@ -40,10 +41,11 @@
         private const int groupPropertyIndex = 3;
         private const int contributionPropertyIndex = 4;
         private const int isRelevantPropertyIndex = 5;
-        private const int aPropertyIndex = 6;
-        private const int bPropertyIndex = 7;
-        private const int sectionLengthPropertyIndex = 8;
-        private const int nPropertyIndex = 9;
+        private const int modelFactorPropertyIndex = 6;
+        private const int aPropertyIndex = 7;
+        private const int bPropertyIndex = 8;
+        private const int sectionLengthPropertyIndex = 9;
+        private const int nPropertyIndex = 10;
 
         /// <summary>
         /// Creates a new instance of <see cref="MacroStabilityInwardsFailureMechanismProperties"/>.
@@ -60,6 +62,23 @@
             Data = data;
         }
 
+        #region Model settings
+
+        [DynamicVisible]
+        [PropertyOrder(modelFactorPropertyIndex)]
+        [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_ModelSettings))]
+        [ResourcesDisplayName(typeof(Resources), nameof(Resources.MacroStabilityInwardsFailureMechanismProperties_ModelFactor_DisplayName))]
+        [ResourcesDescription(typeof(Resources), nameof(Resources.MacroStabilityInwardsFailureMechanismProperties_ModelFactor_Description))]
+        public double ModelFactor
+        {
+            get
+            {
+                return data.GeneralInput.ModelFactor;
+            }
+        }
+
+        #endregion
+
         [DynamicVisibleValidationMethod]
         public bool DynamicVisibleValidationMethod(string propertyName)
         {
@@ -72,7 +91,8 @@
                    || nameof(A).Equals(propertyName)
                    || nameof(B).Equals(propertyName)
                    || nameof(SectionLength).Equals(propertyName)
-                   || nameof(N).Equals(propertyName);
+                   || nameof(N).Equals(propertyName)
+                   || nameof(ModelFactor).Equals(propertyName);
         }
 
         #region General
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsFailureMechanismPropertiesTest.cs
===================================================================
diff -u -r60e5e7fd23d7d028fbf73251126ab5672d5ca8b9 -r2109804607e2c1041dc78167f44c116f0bee45df
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsFailureMechanismPropertiesTest.cs	(.../MacroStabilityInwardsFailureMechanismPropertiesTest.cs)	(revision 60e5e7fd23d7d028fbf73251126ab5672d5ca8b9)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsFailureMechanismPropertiesTest.cs	(.../MacroStabilityInwardsFailureMechanismPropertiesTest.cs)	(revision 2109804607e2c1041dc78167f44c116f0bee45df)
@@ -41,10 +41,11 @@
         private const int groupPropertyIndex = 2;
         private const int contributionPropertyIndex = 3;
         private const int isRelevantPropertyIndex = 4;
-        private const int aPropertyIndex = 5;
-        private const int bPropertyIndex = 6;
-        private const int sectionLengthPropertyIndex = 7;
-        private const int nPropertyIndex = 8;
+        private const int modelFactorPropertyIndex = 5;
+        private const int aPropertyIndex = 6;
+        private const int bPropertyIndex = 7;
+        private const int sectionLengthPropertyIndex = 8;
+        private const int nPropertyIndex = 9;
 
         [Test]
         public void Constructor_DataNull_ThrowArgumentNullException()
@@ -111,6 +112,7 @@
 
             const string generalCategory = "Algemeen";
             const string lengthEffectCategory = "Lengte-effect parameters";
+            const string modelSettingsCategory = "Modelinstellingen";
 
             PropertyDescriptor nameProperty = dynamicProperties[namePropertyIndex];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(nameProperty,
@@ -147,6 +149,13 @@
                                                                             "Geeft aan of dit toetsspoor relevant is of niet.",
                                                                             true);
 
+            PropertyDescriptor modelFactorProperty = dynamicProperties[modelFactorPropertyIndex];
+            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(modelFactorProperty,
+                                                                            generalCategory,
+                                                                            "Modelfactor [-]",
+                                                                            "Modelfactor die wordt gebruikt bij de berekening van de benaderde faalkans op basis van de berekende stabiliteitsfactor.",
+                                                                            true);
+
             PropertyDescriptor aProperty = dynamicProperties[aPropertyIndex];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(aProperty,
                                                                             lengthEffectCategory,
@@ -299,6 +308,7 @@
             Assert.AreEqual(isRelevant, properties.DynamicVisibleValidationMethod(nameof(properties.B)));
             Assert.AreEqual(isRelevant, properties.DynamicVisibleValidationMethod(nameof(properties.SectionLength)));
             Assert.AreEqual(isRelevant, properties.DynamicVisibleValidationMethod(nameof(properties.N)));
+            Assert.AreEqual(isRelevant, properties.DynamicVisibleValidationMethod(nameof(properties.ModelFactor)));
 
             Assert.IsTrue(properties.DynamicVisibleValidationMethod(null));
         }