Mile per hour to Kilometer per hour
1 mph = 1.609344 km/h
Precision & format
1 mph equals
1.609344km/h
All 10 units
- Kilometer per hourkm/h1.609344
- Mile per hourmph1
- Meter per secondm/s0.44704
- Foot per secondft/s1.466666667
- Knotkn0.8689762419
- Centimeter per secondcm/s44.704
- Meter per minutem/min26.8224
- Inch per minutein/min1,056
- MachMasea level, ISA 15 °C0.001313703018
- Speed of lightcin vacuum1.491164931 × 10⁻⁹
Mile per hour to Kilometer per hour table
| Mile per hour (mph) | Kilometer per hour (km/h) |
|---|---|
| 1 | 1.609344 |
| 2 | 3.218688 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 20 | 32.18688 |
| 50 | 80.4672 |
| 100 | 160.9344 |
| 250 | 402.336 |
| 500 | 804.672 |
| 1,000 | 1,609.344 |
How the conversion works
Multiply the mile per hour figure by 1.609344 to get kilometer per hour. Every factor on this site is anchored to the SI base unit for speed, so the same number is used everywhere it appears.
Going the other way, 1 km/h = 0.62137119 mph — see kilometer per hour to mile per hour.
