diff --git a/src/convert_M_in_KM.c b/src/convert_M_in_KM.c
new file mode 100644
index 0000000..66ef45a
--- /dev/null
+++ b/src/convert_M_in_KM.c
@@ -0,0 +1,7 @@
+
+#include "convert_M_in_KM.h"
+#include <stdio.h>
+
+double meter_to_kilometer(double meter) {
+    return meter / 1000.0;
+}
diff --git a/src/convert_M_in_KM.h b/src/convert_M_in_KM.h
new file mode 100644
index 0000000..9dc3232
--- /dev/null
+++ b/src/convert_M_in_KM.h
@@ -0,0 +1,7 @@
+
+#ifndef THEADMIRALS_CONVERT_M_IN_KM_H
+#define THEADMIRALS_CONVERT_M_IN_KM_H
+
+double meter_to_kilometer(double meter);
+
+#endif //THEADMIRALS_CONVERT_M_IN_KM_H