Miles per hour: Meaning (information, definition, explanation, facts)

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 mi/h, by analogy with the SI units, is sometimes used. The preferred unit for velocity is m/s, although km/h is often used as a replacement for mph. 1 mph is equal to:

m/s, the SI derived unit

km/h

ft/s

approx. 0.868976 knots