Easy Unit Conversion


Speed is the rate of motion or the rate of change in position, expressed as distance(d) traveled per unit of time(t).Speed is a scalar quantity with dimensions distance/time; the equivalent vector quantity to speed is known as velocity. Speed is measured in the same physical units of measurement as velocity, but does not the directional information of velocity. Speed is a magnitude component of velocity.Read more

Convert   unit(s)


Kilometre per second km/s 1 0.0003
Kilometre per hour km/h 3600 1
Metre per second m/s 1000 0.2778
Metre per minute m/min 60000 16.6667
Millimetre per second mm/s 1000000 277.7778


Mile per second mps 0.6214 0.0002
Mile per hour mph 2236.9363 0.6214
Foot per second fps 3280.8399 0.9113
Foot per minute 196850.3937 54.6807


Knot kn 1943.8445 0.54


Speed of light c 3.3356×10-6 9.2657×10-10
Speed of sound 2.9412 0.0008

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