diff --git a/UnitTests/Tests/Utils/MathUtilTests.cs b/UnitTests/Tests/Utils/MathUtilTests.cs
index acab2559..cbeaf377 100644
--- a/UnitTests/Tests/Utils/MathUtilTests.cs
+++ b/UnitTests/Tests/Utils/MathUtilTests.cs
@@ -90,4 +90,15 @@ public class MathUtilTests
 
         Assert.AreEqual(expected, actual, $"MapToRange() Expected: {expected}, Actual: {actual}");
     }
+
+    [TestMethod]
+    [DataRow(15d, new double[] { 1, 10, 20, 30, 40, 50, 60 }, new double[] { 11000, 20000, 32000, 45000, 58000, 70000, 82000}, 26000d)]
+    [DataRow(5d, new double[] { 1, 10}, new double[] {0, 1000}, 444.44444444444446d)]
+    [DataRow(12d, new double[] { 1, 10,500,510}, new double[] {0, 10,20,30}, 10.040816326530612d)]
+    public void InterpTest(double input, double[] x, double[] y, double expected)
+    {
+        var actual = _mathUtil.Interp1(input, x.ToList(), y.ToList());
+
+        Assert.AreEqual(expected, actual, $"Interp1() Expected: {expected}, Actual: {actual}");
+    }
 }