KM to Miles Converter
Convert kilometres to miles instantly, with a table for race distances like 5K, 10K, half marathon and marathon. 1 km = 0.621371 miles. Free.
10 km = 6.2137 mi
1 km = 0.6213712 mi
| Kilometres | Miles |
|---|---|
| 1 km | 0.62137 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 |
| 21.1 km | 13.1109 mi |
| 25 km | 15.5343 mi |
| 42.2 km | 26.2219 mi |
| 50 km | 31.0686 mi |
| 80 km | 49.7097 mi |
| 100 km | 62.1371 mi |
| 160 km | 99.4194 mi |
| 200 km | 124.2742 mi |
| 500 km | 310.6856 mi |
Kilometres to miles
Multiply kilometres by 0.621371 to get miles, or divide by 1.609344. A handy estimate is to multiply by 0.6: 10 km is about 6 miles (exactly 6.21). Race distances are the most common reason to convert: a 5K is 3.1 miles, a 10K is 6.2 miles, a half marathon (21.1 km) is 13.1 miles and a marathon (42.2 km) is 26.2 miles. Speed limits convert the same way: 100 km/h is 62 mph.
How to use it
- 1
Type the kilometres
Enter any distance in km.
- 2
Read the miles
The result updates as you type.
- 3
Convert back
Type miles on the right to get kilometres.
Frequently asked questions
How many miles is 1 km?
0.621371 miles.
How many miles is a 10K?
6.21 miles.
How far is 100 km in miles?
62.14 miles.
Is anything sent to a server?
No. Everything is calculated in your browser, and nothing you type is stored or sent anywhere.