How to convert mph to km/h
Multiply the value in mph by 1.609344 to get km/h.
1 mph = 1.609344 km/h
Example
To convert 10 mph to km/h: 10 × 1.609344 = 16.09344 km/h.
mph to km/h conversion chart
| Mph (mph) | Km/h (km/h) |
|---|---|
| 0.1 mph | 0.1609344 km/h |
| 0.25 mph | 0.402336 km/h |
| 0.5 mph | 0.804672 km/h |
| 1 mph | 1.609344 km/h |
| 2 mph | 3.218688 km/h |
| 3 mph | 4.828032 km/h |
| 4 mph | 6.437376 km/h |
| 5 mph | 8.04672 km/h |
| 6 mph | 9.656064 km/h |
| 7 mph | 11.265408 km/h |
| 8 mph | 12.874752 km/h |
| 9 mph | 14.484096 km/h |
| 10 mph | 16.09344 km/h |
| 12 mph | 19.312128 km/h |
| 15 mph | 24.14016 km/h |
| 20 mph | 32.18688 km/h |
| 25 mph | 40.2336 km/h |
| 30 mph | 48.28032 km/h |
| 40 mph | 64.37376 km/h |
| 50 mph | 80.4672 km/h |
| 75 mph | 120.7008 km/h |
| 100 mph | 160.9344 km/h |
| 250 mph | 402.336 km/h |
| 500 mph | 804.672 km/h |
| 1,000 mph | 1,609.344 km/h |
About the units
Miles per hour (mph)
Miles per hour is used for road speeds in the US and UK; 1 mph is exactly 1.609344 km/h.
Kilometers per hour (km/h)
Kilometers per hour is the standard unit for road speed limits in most countries.
Related conversions
Km/h to mph · Mph to m/s · Mph to knots · M/s to km/h · Knots to km/h · All speed units