Speed Converter

Convert speed between kilometers per hour, miles per hour, meters per second, knots, feet per second and Mach.

From

Meter/second (m/s)1

Kilometer/hour (km/h)3.6

Mile/hour (mph)2.236936292

Foot/second (ft/s)3.280839895

Knot1.943846172

Mach (at sea level)0.002938669958

Speed of light3.335641e-9