Miles Per Hour to Kilometers Per Hour Converter
How to convert miles per hour to kilometers per hour
kilometers per hour = miles per hour × 1.609344
To convert miles per hour to kilometers per hour, multiply the number of miles per hour by 1.609344.
1 mph = 1.609344 km/h
Examples
- A mile a minute: 60 mph × 1.609344 = 96.56064 km/h
- 30 mph × 1.609344 = 48.28032 km/h
Good to know
One mile per hour is exactly 1.609344 km/h, so 100 km/h is about 62 mph and 60 mph is about 97 km/h. For a quick estimate, multiply km/h by 0.6 or mph by 1.6.
Miles per hour to kilometers per hour conversion table
| Miles per hour (mph) | Kilometers per hour (km/h) |
|---|---|
| 5 mph | 8.04672 km/h |
| 10 mph | 16.09344 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 |
| 35 mph | 56.32704 km/h |
| 40 mph | 64.37376 km/h |
| 45 mph | 72.42048 km/h |
| 50 mph | 80.4672 km/h |
| 55 mph | 88.51392 km/h |
| 60 mph | 96.56064 km/h |
| 65 mph | 104.60736 km/h |
| 70 mph | 112.65408 km/h |
| 75 mph | 120.7008 km/h |
| 80 mph | 128.74752 km/h |
| 100 mph | 160.9344 km/h |
| 120 mph | 193.12128 km/h |
Unit definitions
- Mile per hour (mph)
- A mile per hour is a speed of one international mile (1,609.344 meters) traveled in one hour, exactly 0.44704 meters per second. It is the unit on road signs in the United States and the United Kingdom.
- Kilometer per hour (km/h)
- A kilometer per hour is a speed of one kilometer traveled in one hour, exactly 1/3.6 meters per second. It is the unit on road signs and speedometers in most countries.