KM to Miles Converter
Handy for race distances, road trips in other countries and fitness tracker data.
1 km = 0.6214 mi
miles
1 km = 0.6214 mi
How to convert kilometers to miles
Divide the number of kilometers by 1.609344.
Formula
mi = km ÷ 1.609344
For a quick estimate, multiply by about 0.621371.
Examples
- 5 km ÷ 1.609344 = 3.1069 mi
- 10 km ÷ 1.609344 = 6.2137 mi
- 42.195 km ÷ 1.609344 = 26.2188 mi
Kilometers to miles conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 | 0.6214 |
| 2 | 1.2427 |
| 3 | 1.8641 |
| 5 | 3.1069 |
| 10 | 6.2137 |
| 15 | 9.3206 |
| 20 | 12.4274 |
| 21.0975 | 13.1094 |
| 25 | 15.5343 |
| 30 | 18.6411 |
| 42.195 | 26.2188 |
| 50 | 31.0686 |
| 80 | 49.7097 |
| 100 | 62.1371 |
| 200 | 124.2742 |
| 500 | 310.6856 |
Values rounded to 4 decimal places or 4 significant digits.
About kilometers
The kilometer equals 1,000 meters. Road distances, running races and map scales use it almost everywhere, with the United States and the United Kingdom as the main exceptions for road signs.
About miles
The international mile is 5,280 feet, exactly 1,609.344 meters. Road signs in the US and the UK use it. It is different from the nautical mile (1,852 meters) used at sea and in aviation.
Frequently asked questions
How many miles are in one kilometer?
One kilometer equals 0.6214 miles (rounded).
How do I convert kilometers to miles?
Divide the number of kilometers by 1.609344. For example: 10 km ÷ 1.609344 = 6.2137 mi.
How many kilometers are in one mile?
One mile equals 1.6093 kilometers.
Is the km to mi conversion exact?
Yes. The factor follows directly from the official definitions of both units, so the only rounding is in how many decimals are displayed.
How long is a marathon in miles?
A marathon is 42.195 km, which is about 26.22 miles. A half marathon (21.0975 km) is about 13.11 miles.