Kilometres per Hour to Miles per Hour Converter
This free speed converter converts Kilometres per Hour (km/h) to Miles per Hour (mph) and back again. The exact conversion factor is 1 km/h = 0.621371 mph, so 10 km/h equals 6.2137 mph.
Type a value in either field — the result updates in real time. The reference table below shows common conversion values at a glance. All calculations run entirely in your browser with no data sent to any server.
| Kilometres per Hour (km/h) | Miles per Hour (mph) |
|---|---|
| 1 km/h | 0.621371 mph |
| 30 km/h | 18.6411 mph |
| 60 km/h | 37.2823 mph |
| 100 km/h | 62.1371 mph |