HomeConvertersSpeed converter Speed converter Speed converter: meters per second, kilometers per hour/second, miles per hour, knot, and mach (speed of sound). Convert speed units with this calculator. Select the speed unit you want to convert fromSelect the speed unit you want to convert fromMeter per second (m\/s)Kilometer per hour (km\/h)Kilometer per second (km\/s)Miles per hour (mph)Knot (miles per hour)Mach (speed, sea level)Mach (altitude 30,000 feet) Enter a numberEnter a number Select the speed unit to convert toSelect the speed unit to convert toMeter per second (m\/s)Kilometer per hour (km\/h)Kilometer per second (km\/s)Miles per hour (mph)Knot (miles per hour)Mach (speed, sea level)Mach (altitude 30,000 feet) CalculateReset Speed in the selected unitSpeed in the selected unit Get Result on email Send the result to an email 0 Number of calculations | 0 Likes Copy Link Print Result