Convert Mile per hour to Kilometre per hour
1 Mile per hour = 1.609344 Kilometre per hour · 1 Kilometre per hour = 0.621371 Mile per hour
Conversion formula
1 mph = 1.609344 km/h → mph = 1.609344 km/h
The reverse direction: 1 km/h = 0.6213711922 mph.
Quick reference
| mph | km/h |
|---|---|
| 1 mph | 1.609344 km/h |
| 2 mph | 3.218688 km/h |
| 3 mph | 4.828032 km/h |
| 5 mph | 8.04672 km/h |
| 10 mph | 16.09344 km/h |
| 20 mph | 32.18688 km/h |
| 25 mph | 40.2336 km/h |
| 50 mph | 80.4672 km/h |
| 100 mph | 160.9344 km/h |
| 250 mph | 402.336 km/h |
| 500 mph | 804.672 km/h |
| 1,000 mph | 1,609 km/h |
About these units
The Mile per hour (mph) and the Kilometre per hour (km/h) are both units of speed. Under the standard definition, one mph equals exactly 1.609344 km/h. This category's SI base unit is the metre per second.