Convert 1 miles per hour to kilometers per hour instantly, with the exact formula and a handy reference table.
1.609344| Miles per hour | Kilometers per hour |
|---|---|
| 1 mph | 1.609344 kmh |
| 2 mph | 3.218688 kmh |
| 5 mph | 8.04672 kmh |
| 10 mph | 16.09344 kmh |
| 25 mph | 40.2336 kmh |
| 50 mph | 80.4672 kmh |
| 100 mph | 160.9344 kmh |
| 500 mph | 804.671999 kmh |
One mph equals 1.609344 kmh, so to convert miles per hour to kilometers per hour you multiply the number of miles per hour by 1.609344. That gives 1 mph = 1.609344 kmh. The factor is exact, so the same multiplier works for any value.