Convert Miles per Hour to Kilometers per Hour
Convert mph to km/h instantly. Free, accurate, with a reference table (1 mph = 1.609344 km/h exactly).
1 mph = 1.609342713 km/h
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
km/h = mph × 1.609344
Built-in to the calculator above — no need to do the math by hand.
Miles per Hour to Kilometers per Hour table
| mph | km/h |
|---|---|
| 1 mph | 1.609342713 km/h |
| 2 mph | 3.218685425 km/h |
| 3 mph | 4.828028138 km/h |
| 5 mph | 8.046713563 km/h |
| 10 mph | 16.09342713 km/h |
| 25 mph | 40.23356781 km/h |
| 50 mph | 80.46713563 km/h |
| 100 mph | 160.9342713 km/h |
| 250 mph | 402.3356781 km/h |
| 500 mph | 804.6713563 km/h |
| 1000 mph | 1609.342713 km/h |