Kilometers per Hour to Miles per Hour (km/h to mph)
1 km/h = 0.621371 mph
To convert kilometers per hour to miles per hour: mph = km/h × 0.621371
| kilometers per hour | miles per hour |
|---|---|
| 10 km/h | 6.214 mph |
| 20 km/h | 12.43 mph |
| 30 km/h | 18.64 mph |
| 40 km/h | 24.85 mph |
| 50 km/h | 31.07 mph |
| 60 km/h | 37.28 mph |
| 70 km/h | 43.5 mph |
| 80 km/h | 49.71 mph |
Multiply kilometers per hour by 0.621371 (or divide by 1.609344) to get miles per hour.
Miles per hour
0.621371
Formula
mph = km/h × 0.621371
Example: 40 kilometers per hour = 24.8548 miles per hour.
Kilometers per Hour to Miles per Hour chart
| kilometers per hour | miles per hour |
|---|---|
| 10 | 6.21371 |
| 20 | 12.4274 |
| 30 | 18.6411 |
| 40 | 24.8548 |
| 50 | 31.0686 |
| 60 | 37.2823 |
| 70 | 43.496 |
| 80 | 49.7097 |
| 90 | 55.9234 |
| 100 | 62.1371 |
| 110 | 68.3508 |
| 120 | 74.5645 |
| 130 | 80.7783 |
| 150 | 93.2057 |
| 200 | 124.274 |
Good to know
European motorway limits of 130 km/h are 80.8 mph; 100 km/h is 62.1 mph; 50 km/h in towns is 31.1 mph.
Running pace works the other way round: 12 km/h is a 5:00 per kilometer pace, or 8:03 per mile.
Driving abroad? Fuel economy changes units as well: mpg to L/100km.
Frequently asked questions
What is 100 km/h in mph?
100 km/h is 62.14 mph.
What is 120 km/h in mph?
120 km/h is 74.56 mph.
Is km/h faster than mph?
The same number is slower in km/h: 100 km/h is only 62 mph.