Convert from mile/hour (mph) to kilometer/hour

Unit Definition (mile/hour (mph))
Mile per hour is a common measurement of speed or velocity. At a constant speed of 1 mile per hour, exactly 1 mile distance would be covered in 1 hour.

Unit Definition (kilometer/hour)
The kilometer/hour (km/h) is the most common metric unit of speed or velocity. It simply means that something travelling at a constant speed of 1km/h will move a distance of exactly 1 kilometer in 1 hour. The correct symbol for this unit is km/h.