How to convert miles to kilometers
- Type the value in miles (mi) in the box above.
- The result in kilometers appears instantly, along with the same value in every other unit of length.
- Press ⇄ to convert the other way.
Formula
kilometers = miles × 1.609344. So 1 mi = 1.60934 km, and 26.2 mi = 42.1648 km.
Miles to kilometres helps when planning trips in the US or UK with metric maps, comparing running and cycling distances, and reading flight or car range figures. The international mile is exactly 1,609.344 m, so multiply by 1.609344. Roughly, add 60%: 50 miles ≈ 80 km.
mi to km conversion chart
| Miles | Kilometers |
|---|---|
| 1 mi | 1.60934 km |
| 2 mi | 3.21869 km |
| 3 mi | 4.82803 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.0934 km |
| 13.1 mi | 21.0824 km |
| 20 mi | 32.1869 km |
| 26.2 mi | 42.1648 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.934 km |
| 250 mi | 402.336 km |
| 500 mi | 804.672 km |
FAQ
How many km is a mile?
Exactly 1.609344 km.
How do I convert mi to km?
Use kilometers = miles × 1.609344. Or type the value above and the converter does it for you.
How do I convert km back to mi?
Multiply by 0.621371, or press the ⇄ button in the converter.