Miles per hour (mph)
A mile per hour is a common unit of speed in Great Britain and the United States that expresses the number of miles traveled in one hour. This unit of speed measurement is commonly used in countries that have non-metric road signs, such as the United States. It is also used on roads in Great Britain, although the metric system is officially adopted in the country. On roads, speed limits are given in miles per hour, abbreviated to mph or mi/h.
Kilometers per hour (km/h)
A unit of speed that expresses the number of kilometers traveled in one hour. This unit of speed measurement is mostly used in countries that have a metric system in road signs. On roads, speed limits are given in kilometers per hour, abbreviated as kph or km/h.
You can easily convert miles per hour (mph) or kilometers per hour (km/h) with this calculator.
| Miles/h (mph) | Kilometers/h (km/h) | Explanation |
|---|---|---|
| 30 mph | 48.3 km/h | Ten miles per hour equals forty-eight kilometers per hour |
| 50 mph | 80.47 km/h | Fifty miles per hour is eighty kilometers per hour |
| 100 mph | 160.9 km/h | One hundred miles per hour is one hundred sixty kilometers per hour |
You can find more calculators in the Calculators section.