diff --git a/src/lib/time.h b/src/lib/time.h
index 7887d84..9ab69d8 100644
--- a/src/lib/time.h
+++ b/src/lib/time.h
@@ -22,6 +22,6 @@ z__u64 z__time(void);
 z__u64 z__time_process(void);
 z__u64 z__time_tps(void);
 z__f64 z__time_delta(z__u64 process_0, z__u64 process_1);
-
+z__u64 z__time_mfps(z__u32 fps);
 
 #endif
diff --git a/src/lib/z__time.c b/src/lib/z__time.c
index ff03c26..126a734 100644
--- a/src/lib/z__time.c
+++ b/src/lib/z__time.c
@@ -52,6 +52,12 @@ z__u64 z__time_process(void)
     return clock();
 }
 
+z__u64 z__time_mfps(z__u32 fps)
+{
+    z__float x = 1.0f/fps;
+    return (z__u64)(x * 1000);
+}
+
 z__u64 z__time_tps(void)
 {
     return CLOCKS_PER_SEC;