Convert Miles to Kilometers
Turn miles on a US road sign, race entry or fitness tracker into metric kilometers. Helpful when planning travel in metric countries or comparing pace data across apps.
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1 mi = 1.609 km
Quick reference
| Miles | Kilometers |
|---|---|
| 1 | 1.609 km |
| 3 | 4.828 km |
| 5 | 8.047 km |
| 10 | 16.093 km |
| 13.1 | 21.082 km (half marathon) |
| 26.2 | 42.164 km |
Formula
kilometers = miles × 1.609344
Frequently asked questions
- How many km is a mile?
- Exactly 1.609344 kilometers. The conversion is fixed by the international yard and pound agreement of 1959.
- Is a 10-mile run further than 15 km?
- Yes — 10 miles is 16.09 km, so a 10-mile race is about 1.1 km longer than a 15 km race.