Length
KM to Miles Converter
Convert kilometers to miles instantly with a live converter and a distance chart. 1 km = 0.621371 miles.
1 Kilometers
0.62137
Miles
1 km = 0.62137 mi
0.62137
How to convert kilometers to miles
One kilometer equals 0.621371 miles. To convert, multiply kilometers by 0.621371 (or divide by 1.609344). For a fast mental estimate, multiply by 0.6 — close enough for most travel and running needs.
The mile here is the international statute mile (1,609.344 m), the standard used in the US and UK for road distances.
Kilometers to miles chart
| Kilometers | Miles | Note |
|---|---|---|
| 1 km | 0.621 mi | |
| 2 km | 1.243 mi | |
| 5 km | 3.107 mi | 5K race |
| 10 km | 6.214 mi | 10K race |
| 21.1 km | 13.11 mi | Half marathon |
| 42.2 km | 26.22 mi | Marathon |
| 50 km | 31.07 mi | |
| 100 km | 62.14 mi |
Frequently asked questions
- How many miles is 5 km?
- 5 km equals 3.107 miles — the classic 5K race distance.
- How do I convert km to miles without a calculator?
- Multiply by 0.6 for a quick estimate (e.g. 10 km ≈ 6 miles). The exact factor is 0.621371.
- Is 1 mile longer than 1 km?
- Yes. One mile is about 1.609 km — roughly 61% longer than a kilometer.