Convert mph to km/h using 1 mph = 1.609344 km/h. This chart lists common speeds in km/h.
| mph | km/h |
|---|---|
| 10 | 16.1 |
| 20 | 32.2 |
| 30 | 48.3 |
| 40 | 64.4 |
| 50 | 80.5 |
| 60 | 96.6 |
| 70 | 112.7 |
| 80 | 128.7 |
| 90 | 144.8 |
| 100 | 160.9 |
| 110 | 177 |
| 120 | 193.1 |
| 130 | 209.2 |
| 140 | 225.3 |
| 160 | 257.5 |
| 180 | 289.7 |
| 200 | 321.9 |
Formula
km/h = mph × 1.609344.