Free Online Unit Speed Conversions Speed ↔ Popular Speed Unit Conversions Meter Per Second to Meter Per SecondMeter Per Second to Meter Per SecondKilometer Per Hour to Kilometer Per HourKilometer Per Hour to Kilometer Per HourMile Per Hour to Mile Per HourMile Per Hour to Mile Per HourKnot to KnotKnot to Knot ReferencesNIST (US Government)Encyclopaedia Britannica