MPH to KM/H Converter
One mile per hour is exactly 1.609344 kilometres per hour, the same ratio as the distance units. Use it to read American speed limits in metric terms.
mphkm/h
1 mph = 1.609344 km/h
Worked example
10 mph converts to 16.09344 km/h.
Quick reference
| Miles per hour | Kilometres per hour |
|---|---|
| 10 mph | 16.09344 km/h |
| 30 mph | 48.28032 km/h |
| 55 mph | 88.51392 km/h |
| 65 mph | 104.60736 km/h |
| 70 mph | 112.65408 km/h |
| 100 mph | 160.9344 km/h |