Kilometers to Miles
Convert kilometers (km) to miles (mi). Free, fast and easy to use.
How it works
One mile is exactly 1.609344 kilometers. Multiply kilometers by 0.621371 to get miles — a 10 km run is about 6.21 miles.
Formula
mi = km / 1.609344 ≈ km × 0.621371
Worked examples
- 42.195 km = 26.2188 mi
- 100 km = 62.1371 mi
- 5 km = 3.1069 mi
Calculations run locally in your browser. Results are for information only — for engineering, electrical or financial decisions, verify the assumptions and applicable standards.
Frequently asked questions
How many miles is 1 km?
1 kilometer is about 0.6214 miles.
How long is a marathon in miles?
A marathon is 42.195 km, which is 26.22 miles; a half marathon is 13.11 miles.
Related calculators
Conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.6214 mi |
| 2 km | 1.2427 mi |
| 3 km | 1.8641 mi |
| 5 km | 3.1069 mi |
| 10 km | 6.2137 mi |
| 15 km | 9.3206 mi |
| 20 km | 12.4274 mi |
| 21.0975 km | 13.1094 mi |
| 25 km | 15.5343 mi |
| 30 km | 18.6411 mi |
| 42.195 km | 26.2188 mi |
| 50 km | 31.0686 mi |
| 60 km | 37.2823 mi |
| 80 km | 49.7097 mi |
| 100 km | 62.1371 mi |
| 120 km | 74.5645 mi |
| 130 km | 80.7783 mi |
| 200 km | 124.2742 mi |
| 500 km | 310.6856 mi |