1 mph equals about
1.6093 km/h
Miles per hour (mph) is the unit of speed in the British/American imperial system, used mainly in the United States and the United Kingdom for road speed limits and car speedometers. One mph is exactly equal to 1.609344 km/h.
To convert a measurement from mph to km/h, simply multiply the value in mph by 1.6093:
To convert from km/h to mph, perform the inverse operation, multiplying by 0.6214:
This conversion generates enormous global search volume, used by drivers comparing speed limits between countries, travelers renting cars abroad, and anyone interpreting vehicle specifications from a different measurement system.