diff --git a/test/test_convert_M_in_KM.c b/test/test_convert_M_in_KM.c
index 0df2589..bdfeea0 100644
--- a/test/test_convert_M_in_KM.c
+++ b/test/test_convert_M_in_KM.c
@@ -22,4 +22,11 @@ void test_meter_to_kilometer2(void) {
     double expectedResult_2 = 0.5;
     double result_2 = meter_to_kilometer(value_2);
     TEST_ASSERT_EQUAL_FLOAT(expectedResult_2, result_2);
+}
+void test_meter_to_kilometer3(void) {
+// Testfall 3: 1500 Meter sollten 1.5 Kilometer sein
+    double value_3 = 1500.0;
+    double expectedResult_3 = 1.5;
+    double result_3 = meter_to_kilometer(value_3);
+    TEST_ASSERT_EQUAL_FLOAT(expectedResult_3, result_3);
 }
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