From Wikipedia, the free encyclopedia.
Miles per hour is a unit of speed, expressing the number of international miles covered per hour. The common abbreviation in everyday use is mph, although formally mi/h is preferable. The preferred SI unit for velocity is m/s, although km/h is often used as a replacement for mi/h.
1 mi/h is equal to:
- 0.44704 m/s, the SI derived unit
- 1.609344 km/h
- 88 ft/s
- approx. 0.868976 knots
