Convert mph to km/h instantly — formula, worked examples and a conversion table of common values.
Convert miles per hour (mph) to kilometres per hour (km/h). Enter a value on either side and the other updates instantly — nothing is sent to a server.
One mph equals 1.609344 km/h. The table below lists the values people look up most often, and each one links to a page with the worked calculation.
km/h = mph × 1.609344| Miles per hour (mph) | Kilometres per hour (km/h) |
|---|---|
| 0.1 | 0.160934 |
| 0.5 | 0.804672 |
| 1 | 1.60934 |
| 2 | 3.21869 |
| 3 | 4.82803 |
| 5 | 8.04672 |
| 10 | 16.0934 |
| 15 | 24.1402 |
| 20 | 32.1869 |
| 25 | 40.2336 |
| 50 | 80.4672 |
| 75 | 120.701 |
| 100 | 160.934 |
| 250 | 402.336 |
| 500 | 804.672 |
| 1,000 | 1,609.34 |
1 mph = 1.609344 km/h.
10 mph = 16.0934 km/h.
100 mph = 160.9344 km/h.
Use the formula km/h = mph × 1.609344. Or type any value into the converter above — it works in both directions.