Speed Converter

km/h, mph, m/s, knots and Mach.

Popular speed conversions

Mile/hour to Kilometer/hour1 mph = 1.609344 km/hKilometer/hour to Mile/hour1 km/h = 0.621371 mphMeter/second to Kilometer/hour1 m/s = 3.6 km/hKnot to Mile/hour1 kn = 1.150779 mphMeter/second to Mile/hour1 m/s = 2.236936 mph

Speed units reference

Values for 1 meter/second in every supported unit. Select any unit to open its converter.

UnitSymbol1 m/s =
Kilometer/hourkm/h3.6
Mile/hourmph2.236936
Foot/secondft/s3.28084
Knotkn1.943844
Mach (sea level)Ma0.002939
Kilometer/secondkm/s0.001