Kilometre per hour is speed unit, symbol: [km/h]. Definition of 1 kilometre per hour ≡ 1 km / 3600 s. km/h in everyday life is the most commonly used speed unit (in Europe). Interpretation: The speed with which the body travels 1 kilometre in 1 hour. The number on traffic signs indicating speed limits is also in this unit of measure.. Compared to metre per second, kilometre per hour is smaller unit.
• 1 [km/h] = (exactly) `1000/3600` [m/s] = `2.77777777777778*10^-01` [m/s]
• 1 [m/s] = (exactly) `3600/1000` [km/h] = 3.6 [km/h]
Multiply convert of kilometre per hour to common speed units:[km/h]
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See also: kilometre length unit. http://conversion.org/length/k...