Miles per hour

miles per hour
Speedometer, indicating speed in miles per hour
General information
Unit system	Imperial, United States customary units
Unit of	speed
Symbol	mph
Conversions
1 mph in ...	... is equal to ...
km/h	1.609344
m/s	0.44704

Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour. It is used in the United Kingdom, the United States, and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.