diff --git a/test/test_convert_CM_in_M.c b/test/test_convert_CM_in_M.c
new file mode 100644
index 0000000..5d456ab
--- /dev/null
+++ b/test/test_convert_CM_in_M.c
@@ -0,0 +1,18 @@
+#include "../src/convert_CM_in_M.h"
+#include "unity.h"
+#include "limits.h"
+
+void setUp(void) {
+    // Set up resources here if needed
+}
+
+void tearDown(void) {
+    // Clean up resources here if needed
+}
+void test_cm_to_meter(void) {
+    // Testfall 1: 100 cm sollten 1 Meter sein
+    float value_1 = 100.0;
+    float expectedResult_1 = 1.0;
+    float result_1 = cm_to_meter(value_1);
+    TEST_ASSERT_EQUAL_FLOAT(expectedResult_1, result_1);
+}
\ No newline at end of file