Mile per hour (mph)
Miles per hour is a unit of speed, expressing the number of international miles covered per hour. Miles per hour is the unit used for speed limits on roads in the United Kingdom, United States and various other nations, where it is commonly abbreviated in everyday use to mph or MPH, although mi/h is sometimes used in technical publications.
Metric
- Kilometre per second4.47×10⁻⁴
- Metre per second0.45
- Kilometre per hour1.61
- Millimetre per second (mm/s)447.04
- Micrometre per second (µm/s)447,040
British/American
- Mile per second2.78×10⁻⁴
- Mile per hour (mph)1
- Foot per second1.47
Nautical
- Knot0.87
Other
- Speed of light1.49×10⁻⁹
- Speed of sound1.3×10⁻³
- A brisk walk0.26
- Speed of a common snail447.04