Speed & velocity
Enter a value in mph to see the exact equivalent in km/h. 1 mph = 1.609344 km/h.
1 mile per hour equals exactly 1.609344 kilometres per hour. The converter keeps full precision and rounds only what it shows.
Formula: Multiply the number of mph by 1.609344 to get km/h.
Going the other way, 1 kilometre per hour = 0.621371192 miles per hour.
| Mile per hour | Kilometre per hour |
|---|---|
| 1 mph | 1.6093 km/h |
| 2 mph | 3.2187 km/h |
| 5 mph | 8.0467 km/h |
| 10 mph | 16.0934 km/h |
| 25 mph | 40.2336 km/h |
| 50 mph | 80.4672 km/h |
| 100 mph | 160.9344 km/h |
1 mile per hour = 1.609344 kilometres per hour (rounded). The exact factor is 1.609344.
Multiply the number of mph by 1.609344 to get km/h.
1 mile per hour equals exactly 1.609344 kilometres per hour. The converter keeps full precision and rounds only what it shows.