Miles per Hour to Kilometers per Hour Converter
1 mile per hour = 1.609344 kilometers per hour
1 kilometer per hour = 0.6213712 miles per hour
How to convert miles per hour to kilometers per hour
To convert miles per hour to kilometers per hour, multiply the value in miles per hour by 1.609344.
km/h = mph × 1.609344
Example: 100 mph × 1.609344 = 160.9344 km/h
Miles per Hour to Kilometers per Hour conversion table
| Mile per Hour (mph) | Kilometer per Hour (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 | 11.26541 km/h |
| 8 mph | 12.87475 km/h |
| 9 mph | 14.4841 km/h |
| 10 mph | 16.09344 km/h |
| 12 mph | 19.31213 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 |
| 60 mph | 96.56064 km/h |
| 70 mph | 112.6541 km/h |
| 75 mph | 120.7008 km/h |
| 80 mph | 128.7475 km/h |
| 90 mph | 144.841 km/h |
| 100 mph | 160.9344 km/h |
| 150 mph | 241.4016 km/h |
| 200 mph | 321.8688 km/h |
| 250 mph | 402.336 km/h |
| 500 mph | 804.672 km/h |
| 1,000 mph | 1,609.344 km/h |
About these units
Mile per Hour (mph)
The mile per hour (mph) is a unit of speed used in both the imperial and US customary systems. 1 mile per hour equals 0.44704 meters per second. This value is exact by definition.
Kilometer per Hour (km/h)
The kilometer per hour (km/h) is a metric unit of speed accepted for use with the SI. 1 kilometer per hour equals 0.2777777778 meters per second. This value is exact by definition.
Frequently asked questions
What is 1 mile per hour in kilometers per hour?
1 mile per hour equals 1.609344 kilometers per hour.
How do I convert miles per hour to kilometers per hour?
To convert miles per hour to kilometers per hour, multiply the value in miles per hour by 1.609344. Example: 100 mph × 1.609344 = 160.9344 km/h
What is 100 mph in kilometers per hour?
100 miles per hour equals 160.9344 kilometers per hour.