Instantly convert kilometers per hour (km/h) to miles per hour (mph). Bidirectional, accurate, and free.
To convert kilometers per hour to miles per hour, use the formula miles per hour = kilometers per hour × 0.6214. For example, 2 kilometers per hour equals 1.2427 miles per hour. Type any number into the calculator above and the result appears instantly — you can also type into the miles per hour box to convert the other way.
| Kilometers per hour | Miles per hour |
|---|---|
| 10 km/h | 6.2137 mph |
| 20 km/h | 12.4274 mph |
| 30 km/h | 18.6411 mph |
| 40 km/h | 24.8548 mph |
| 50 km/h | 31.0686 mph |
| 60 km/h | 37.2823 mph |
| 70 km/h | 43.496 mph |
| 80 km/h | 49.7097 mph |
There are 0.6214 miles per hour in one kilometer per hour. To convert any value, apply the formula miles per hour = kilometers per hour × 0.6214.
The formula is miles per hour = kilometers per hour × 0.6214. Enter a value above and the result updates instantly in both directions.
Yes. It uses the exact internationally-defined conversion factor, so results match official standards to several decimal places.
Yes — the converter is bidirectional. Type in either box and the other updates automatically using the inverse formula.