How to convert kilometers per hour to miles per hour
Multiply the number of kilometers per hour by 0.621371:
miles per hour = kilometers per hour × 0.621371
Going the other way, 1 mile per hour = 1.6093 kilometers per hour, so divide miles per hour by 0.621371 (or multiply by 1.6093) to get kilometers per hour.
Example: 25 kilometers per hour × 0.621371 = 15.5343 miles per hour.
Kilometers per hour to miles per hour conversion table
| Kilometers per hour (km/h) | Miles per hour (mph) |
|---|---|
| 1 | 0.621371 |
| 2 | 1.2427 |
| 3 | 1.8641 |
| 5 | 3.1069 |
| 10 | 6.2137 |
| 20 | 12.4274 |
| 25 | 15.5343 |
| 50 | 31.0686 |
| 100 | 62.1371 |
| 500 | 310.6856 |
| 1,000 | 621.3712 |
About these units
Kilometer per hour (km/h) and mile per hour (mph) are both units of speed. Kilometers per hour are used on roads in most of the world, miles per hour in the US and UK, and knots (nautical miles per hour) at sea and in the air.
Related conversions
miles per hour to kilometers per hour · knots to miles per hour · miles per hour to knots · all units