Convert Kilometers per Hour to Miles per Hour
Convert km/h to mph instantly. Free, accurate, with a reference table (1 km/h ≈ 0.6214 mph).
1 km/h = 0.6213716893 mph
Common speed conversions
- 1 km/h = 0.6213716893 mph
- 1 mph = 1.609342713 km/h
- 1 m/s = 3.59999712 km/h
- 1 kn = 1.851996918 km/h
Formula
mph = km/h × 0.621371
Built-in to the calculator above — no need to do the math by hand.
Kilometers per Hour to Miles per Hour table
| km/h | mph |
|---|---|
| 1 km/h | 0.6213716893 mph |
| 2 km/h | 1.242743379 mph |
| 3 km/h | 1.864115068 mph |
| 5 km/h | 3.106858447 mph |
| 10 km/h | 6.213716893 mph |
| 25 km/h | 15.53429223 mph |
| 50 km/h | 31.06858447 mph |
| 100 km/h | 62.13716893 mph |
| 250 km/h | 155.3429223 mph |
| 500 km/h | 310.6858447 mph |
| 1000 km/h | 621.3716893 mph |