How to convert kilometers to miles
- Take the value in kilometers.
- Use the formula miles = kilometers × 0.6213711922.
- For example, 5 km is 3.11 mi.
About kilometers and miles
A mile is exactly 1.609344 kilometers, so to turn kilometers into miles you divide by 1.609344. One kilometer is about 0.621371 miles, a little over six tenths of a mile.
Running races are set in kilometers (5K, 10K, the 42.195 km marathon) while many runners in the US and UK track their training in miles. Road signs and car speedometers need the same conversion when you drive between the UK or US and the rest of the world.
Examples
- 5 km (a 5K race or parkrun) is 3.11 mi
- 10 km (a 10K race) is 6.21 mi
- 42.2 km (a marathon) is 26.22 mi
- 100 km (a 100 km ultramarathon) is 62.14 mi
Kilometers to miles chart
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 | 0.621 |
| 2 | 1.24 |
| 3 | 1.86 |
| 4 | 2.49 |
| 5 | 3.11 |
| 6 | 3.73 |
| 7 | 4.35 |
| 8 | 4.97 |
| 9 | 5.59 |
| 10 | 6.21 |
| 15 | 9.32 |
| 20 | 12.43 |
| 21.1 | 13.11 |
| 25 | 15.53 |
| Kilometers (km) | Miles (mi) |
|---|---|
| 26.2 | 16.28 |
| 30 | 18.64 |
| 40 | 24.85 |
| 42.2 | 26.22 |
| 50 | 31.07 |
| 60 | 37.28 |
| 70 | 43.5 |
| 80 | 49.71 |
| 90 | 55.92 |
| 100 | 62.14 |
| 150 | 93.21 |
| 200 | 124.27 |
| 500 | 310.69 |