1 mile per hour (mph) = 1.609344 kilometers per hour (km/h). To convert, multiply by 1.609344: km/h = mph × 1.609344. For example, 5 mph = 8.04672 km/h.
km/h = mph × 1.609344
Miles per hour to kilometers per hour table
| Miles per hour (mph) | Kilometers per hour (km/h) |
|---|---|
| 1 | 1.609344 |
| 2 | 3.218688 |
| 3 | 4.828032 |
| 4 | 6.437376 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 20 | 32.18688 |
| 25 | 40.2336 |
| 50 | 80.4672 |
| 100 | 160.9344 |
| 250 | 402.336 |
| 500 | 804.672 |
| 1,000 | 1,609.344 |
The two units
Mile per hour (mph). Used for road speeds in the US and the UK.
Kilometer per hour (km/h). Used for road speeds in most of the world.
Convert miles per hour to other units
- Miles per hour to meters per second — 1 mph = 0.44704 m/s
- Miles per hour to knots — 1 mph = 0.8689762419 kn
- Miles per hour to feet per second — 1 mph = 1.466666667 ft/s
Convert other units to kilometers per hour
Questions people ask
- How many kilometers per hour are in a mile per hour?
- 1.609344.
- How do you convert miles per hour to kilometers per hour?
- km/h = mph × 1.609344. It is the same as dividing by 0.6213711922.
- How do you convert kilometers per hour back to miles per hour?
- mph = km/h ÷ 1.609344. See kilometers per hour to miles per hour.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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