Convert Mile per hour to Kilometer per hour
Convert Mile per hour to Kilometer per hour instantly. 1 mph = 1.609344 km/h. Formula, worked examples and a quick reference table.
Last updated
One mile per hour equals 1.609344 kilometer per hour. To convert any number of mile per hours to kilometer per hours, multiply by 1.609344.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Mile per hour to Kilometer per hour formula
To go the other way, use mile per hour = kilometer per hour ÷ 1.609344.
Mile per hour to Kilometer per hour conversion table
| Mile per hour | Kilometer per hour |
|---|---|
| 1 mph | 1.6093 km/h |
| 2 mph | 3.2187 km/h |
| 3 mph | 4.828 km/h |
| 5 mph | 8.0467 km/h |
| 10 mph | 16.0934 km/h |
| 20 mph | 32.1869 km/h |
| 25 mph | 40.2336 km/h |
| 50 mph | 80.4672 km/h |
| 100 mph | 160.9344 km/h |
| 250 mph | 402.336 km/h |
| 500 mph | 804.672 km/h |
| 1,000 mph | 1,609.344 km/h |
Frequently asked questions
How many kilometer per hours are in a mile per hour? +
There are 1.609344 kilometer per hours in one mile per hour.
What is 10 mph in km/h? +
10 mph equals 16.0934 km/h. Multiply 10 by 1.609344.
How do I convert kilometer per hour back to mile per hour? +
Use mile per hour = kilometer per hour ÷ 1.609344. The converter above handles both directions, or see our dedicated Kilometer per hour to Mile per hour page.