diff --git a/src/IPA.Bcfier.Navisworks/Utilities/NavisUtils.cs b/src/IPA.Bcfier.Navisworks/Utilities/NavisUtils.cs
index 79a0e69..6fdbe6a 100644
--- a/src/IPA.Bcfier.Navisworks/Utilities/NavisUtils.cs
+++ b/src/IPA.Bcfier.Navisworks/Utilities/NavisUtils.cs
@@ -1,4 +1,4 @@
-using Autodesk.Navisworks.Api;
+using Autodesk.Navisworks.Api;
 using IPA.Bcfier.Models.Bcf;
 
 namespace IPA.Bcfier.Navisworks.Utilities
@@ -31,6 +31,11 @@ public static double FromInternal(this double intUnits)
             return intUnits / _Units;
         }
 
+        public static double FromInternal(this decimal intUnits)
+        {
+            return Convert.ToDouble(intUnits) / _Units;
+        }
+
         public static void GetGunits(Document doc)
         {
             string units = doc.Units.ToString();