Mile per hour to km/h
Convert Mile per hour (mph) into km/h (km/h) with an instant calculator and a practical reference table.
Conversion result
Calculations run in your browser. Results use approximately 12 significant digits, with floating-point rounding. Verify safety-critical measurements against applicable standards.
How to convert Mile per hour to km/h
1 mph = 1.609344 km/h. Multiply the input by 1.609344. This page uses defined units and rounds the displayed answer to approximately 12 significant digits.
Mile per hour to km/h conversion table
| Mile per hour | km/h |
|---|---|
| 1 mph | 1.609344 km/h |
| 2 mph | 3.218688 km/h |
| 5 mph | 8.04672 km/h |
| 10 mph | 16.09344 km/h |
| 25 mph | 40.2336 km/h |
| 100 mph | 160.9344 km/h |
Frequently asked questions
How many km/h are in one mph?
One mph equals 1.609344 km/h.
Can I reverse this conversion?
Yes. Use Swap units above, or select any of the other 10 supported speed units.