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Miles per hour
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Miles per hour is the unit used for speed limits on roads in the United Kingdom and the United States. It is normally abbreviated in everyday use to mph or MPH. In technical publications it is sometimes abbreviated as mi/h.
1 mph is equal to:
- 0.44704 m·s−1, the SI derived unit
- 1.609344 km·h−1
- 22/15 =1.4667 feet per second
- approx. 0.868976 knots