diff --git a/src/GPSfix.h b/src/GPSfix.h
index 8c456e7..2b750e4 100644
--- a/src/GPSfix.h
+++ b/src/GPSfix.h
@@ -160,6 +160,8 @@ class gps_fix
 
     CONST_CLASS_DATA uint32_t M_PER_NMI = 1852;
     uint32_t speed_metersph() const { return (spd.whole * M_PER_NMI) + (spd.frac * M_PER_NMI)/1000; };
+    
+    uint32_t speed_metersps() const { return ((spd.whole * M_PER_NMI) + (spd.frac * M_PER_NMI)/1000 ) / 3600; };
 
     CONST_CLASS_DATA float MI_PER_NMI = 1.150779;
     float  speed_mph() const { return speed() * MI_PER_NMI; };
@@ -588,4 +590,4 @@ class gps_fix
 
 } NEOGPS_PACKED;
 
-#endif
\ No newline at end of file
+#endif