How to convert kilometers per hour to miles per hour
- Type the value you want to convert.
- The result appears instantly. Use Swap units to reverse the direction.
- Choose other units from the lists if you need a different conversion.
Formula
mph = km/h × 0.6214 and km/h = mph × 1.6093.
Examples
50 km/h = 31.0686 mph. 80 km/h = 49.7097 mph. 110 km/h = 68.3508 mph.
Quick reference table
| km/h | mph |
|---|---|
| 10 km/h | 6.2137 mph |
| 20 km/h | 12.4274 mph |
| 30 km/h | 18.6411 mph |
| 50 km/h | 31.0686 mph |
| 60 km/h | 37.2823 mph |
| 80 km/h | 49.7097 mph |
| 100 km/h | 62.1371 mph |
| 110 km/h | 68.3508 mph |
| 120 km/h | 74.5645 mph |
| 130 km/h | 80.7783 mph |
And the other way: mph to km/h
| mph | km/h |
|---|---|
| 1 mph | 1.6093 km/h |
| 5 mph | 8.0467 km/h |
| 10 mph | 16.0934 km/h |
| 25 mph | 40.2336 km/h |
| 50 mph | 80.4672 km/h |
| 100 mph | 160.9344 km/h |
When you need this conversion
Speed limits, car speedometers and running pace use km/h in most countries and mph in the USA and UK. This is handy when you drive a car or read a speed limit abroad.
Frequently asked questions
How many mph is 1 km/h?
1 km/h equals 0.6214 mph. In the other direction, 1 mph equals 1.6093 km/h.
How many mph is 100 km/h?
100 km/h is 62.1371 mph.
What is the formula to convert kilometers per hour to miles per hour?
Multiply the number of km/h by 0.6214 to get mph. To go back, multiply mph by 1.6093.
Is this converter free and private?
Yes. It is free, needs no sign-up and runs in your browser, so the numbers you enter are not sent anywhere.
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Last updated: November 6, 2026