20 km/h = 12.4274 mph
Multiply the number of kilometers per hour by 0.621371 to get miles per hour. Example: 20 × 0.621371 = 12.4274.
Going the other way: 20 mph = 32.1869 km/h (see 20 mph to km/h).
Need a different number? Use the kilometers per hour to miles per hour converter.
| kilometers per hour | miles per hour |
|---|---|
| 5 km/h | 3.10686 mph |
| 10 km/h | 6.21371 mph |
| 30 km/h | 18.6411 mph |
| 40 km/h | 24.8548 mph |
| 50 km/h | 31.0686 mph |
| 60 km/h | 37.2823 mph |
| 70 km/h | 43.496 mph |
| 80 km/h | 49.7097 mph |
| 90 km/h | 55.9234 mph |
| 100 km/h | 62.1371 mph |
| 110 km/h | 68.3508 mph |
| 120 km/h | 74.5645 mph |