Index: Ringtoets/Common/src/Ringtoets.Common.Data/AssessmentSection/ReferenceLine.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -r8c7c25ee0b61c182e38073f56cb6376c511ccbf2
--- Ringtoets/Common/src/Ringtoets.Common.Data/AssessmentSection/ReferenceLine.cs	(.../ReferenceLine.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/AssessmentSection/ReferenceLine.cs	(.../ReferenceLine.cs)	(revision 8c7c25ee0b61c182e38073f56cb6376c511ccbf2)
@@ -46,6 +46,11 @@
         public IEnumerable<Point2D> Points { get; private set; }
 
         /// <summary>
+        /// Gets the total length of the reference line.
+        /// </summary>
+        public double Length { get; private set; }
+
+        /// <summary>
         /// Sets the geometry of the reference line.
         /// </summary>
         /// <param name="newPoints">The sequence of points defining the reference line geometry.</param>
@@ -56,13 +61,15 @@
             {
                 throw new ArgumentNullException(nameof(newPoints), RingtoetsCommonDataResources.ReferenceLine_SetGeometry_New_geometry_cannot_be_null);
             }
+
             Point2D[] point2Ds = newPoints.ToArray();
             if (point2Ds.Any(p => p == null))
             {
                 throw new ArgumentException(RingtoetsCommonDataResources.ReferenceLine_SetGeometry_New_geometry_has_null_coordinate, nameof(newPoints));
             }
 
             Points = point2Ds;
+            Length = Math2D.Length(Points);
         }
     }
 }
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