Speed Converter
KM/H to MPH
Convert kilometers per hour to miles per hour below — handy for driving in the US or UK.
Convert km/h to mph
0.621371
1 km/h = 0.621371 mph
| Unit | 1 km/h = |
|---|---|
| Meters per second | 0.277778 m/s |
| Kilometers per hour | 1 km/h |
| Miles per hour | 0.621371 mph |
| Feet per second | 0.911344 ft/s |
| Knots | 0.539957 kn |
How to convert km/h to mph
One kilometer per hour equals about 0.621371 mph, so multiply km/h by 0.6214 to get mph.
Example: a 100 km/h motorway limit is about 62 mph.
Km/h to mph table
| Km/h | MPH |
|---|---|
| 20 km/h | 12.43 mph |
| 50 km/h | 31.07 mph |
| 80 km/h | 49.71 mph |
| 100 km/h | 62.14 mph |
| 120 km/h | 74.56 mph |
| 130 km/h | 80.78 mph |
Common speeds in km/h and mph.
Frequently asked questions
How many mph is 100 km/h?
100 km/h is about 62 mph.
How many mph is 1 km/h?
One km/h is about 0.621 mph.