Unit Converter
Kilometers per hour to Miles per hour Converter
Convert kilometers per hour (km/h) to miles per hour (mph) instantly. Free, accurate, and browser-based — no signup, no ads in your way.
How to convert kilometers per hour to miles per hour
1 km/h = 0.621371 mph. Multiply the kilometers per hour value by 0.621371 to get miles per hour.
Example: 25 km/h = 25 × 0.621371 = 15.5343 mph.
Kilometers per hour to miles per hour conversion table
| Kilometers per hour (km/h) | Miles per hour (mph) |
|---|---|
| 1 | 0.621371 |
| 2 | 1.2427 |
| 3 | 1.8641 |
| 4 | 2.4855 |
| 5 | 3.1069 |
| 6 | 3.7282 |
| 7 | 4.3496 |
| 8 | 4.971 |
| 9 | 5.5923 |
| 10 | 6.2137 |
| 15 | 9.3206 |
| 20 | 12.4274 |
| 25 | 15.5343 |
| 30 | 18.6411 |
| 40 | 24.8548 |
| 50 | 31.0686 |
| 75 | 46.6028 |
| 100 | 62.1371 |
| 250 | 155.3428 |
| 500 | 310.6856 |
Convert the other way
Need mph to km/h instead? Use the dedicated Miles per hour to Kilometers per hour converter.
FAQ
How do I convert kilometers per hour to miles per hour?
1 km/h = 0.621371 mph. Multiply the kilometers per hour value by 0.621371 to get miles per hour.
How many miles per hour are in one kilometers per hour?
One kilometers per hour (km/h) equals 0.621371 miles per hour (mph).
What is 10 km/h in mph?
10 kilometers per hour equals 6.2137 miles per hour. Type any value into the converter above for an instant exact result.
Is this km/h to mph converter free?
Yes. Every Utiliora tool is free, open source, works in your browser, and never asks you to sign up.
Can I convert the other way, from mph to km/h?
Yes — use the Miles per hour to Kilometers per hour converter at /converters/mph-to-kph, or press the swap button in the converter above.