Convert Miles per hour to Kilometers per hour
1 mph = 1.609344 km/h. Enter a value to convert.
Miles per hour to Kilometers per hour formula
km/h = mph × 1.609344
Miles per hour to Kilometers per hour conversion 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 |
| 1000 | 1609.344 |
How to convert miles per hour to kilometers per hour
- 01 Enter your value in the mile per hour field above.
- 02 The result in kilometers per hour appears instantly.
- 03 Use ⇄ to reverse, or pick any other speed unit.
Frequently asked questions
How many kilometers per hour are in a mile per hour?
1 mile per hour equals 1.609344 kilometers per hour. To convert, multiply the number of miles per hour by 1.609344.
What is the formula to convert miles per hour to kilometers per hour?
Use km/h = mph × 1.609344.
Is this mile per hour to kilometer per hour converter free?
Yes. It's completely free, needs no signup, and runs entirely in your browser.