Convert miles per hour to kilometres per hour. 1 mph = 1.609344 km/h.
Type how many miles per hour you have.
The kilometres per hour appear at once, with all the other units of the same kind listed beside them.
Use the swap button to convert kilometres per hour to miles per hour instead.
| mph | km/h |
|---|---|
| 1 | 1.609344 |
| 2 | 3.218688 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 20 | 32.18688 |
| 50 | 80.4672 |
| 100 | 160.9344 |
| 500 | 804.672 |
| 1,000 | 1609.344 |
Multiply the number of miles per hour by 1.609344. To go back, multiply kilometres per hour by 0.6213712, or use the converter the other way round.
1 mph = 1.609344 km/h.
10 mph = 16.09344 km/h.
The factor is exact or accurate to more digits than shown. The result is shown to 12 significant digits.
No. The conversion runs in your browser.