there is a conversion formula.

kilometers per hour is the unit of speed (scalar) and speed (vector).

kilometers per hour can be used. km/h。 km·h。 Kph or kmph. In daily life, "kilometer" is often called "kilometer".

So kilometers per hour is "kilometers per hour". Of course, in some places, "Li" is often used to calculate the distance, and 1 Li =.5 kilometers. 1 mile per hour = ~1.61 kilometers per hour 1 kilometer per hour = ~.62 miles per hour meter per second symbol: m/s (or m s-1)