Miles per hour

Miles per hour is a unit of measurement. It measures speed. It is the number of miles moved in an hour.

File:World Map of Speed Limit Units on Traffic Signs.svg

Speed limit units on traffic signs around the world:      Kilometers per hour (km/h)     Miles per hour (mph)     Both     No speed limit units

Miles per hour is the unit used for speed limits on roads in the United Kingdom (UK) and the United States (US). It is normally abbreviated in everyday use to mph. In technical publications, it is sometimes abbreviated as mi/h.

The SI unit for velocity is m·s⁻¹ (metres per second).

Conversions

1 mph equals:

• 0.44704 m·s⁻¹, the SI derived unit
• 1.609344 km·h⁻¹
• 22/15 =1.4667 feet per second
• ~0.868976 knots

Miles Per Hour Media

• 50 mph speed limit sign in the United Kingdom

• 2014-08-19 11 59 11 Speed limit 65 miles per hour sign along northbound Nevada State Route 225 (Mountain City Highway) about 10.9 miles north of Nevada State Route 535 (Idaho Street) in Elko County, Nevada.JPG

  65 mph speed limit sign in the United States