Miles per hour
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:
- m/s, the SI derived unit
- km/h
- ft/s
- approx. 0.868976 knots