DistanceKilometers to miles
1 kilometer = 0.621371 miles.
1 kilometer = 0.621371 miles. Multiply by 0.621371.
Common amounts
| km | mi |
|---|---|
| 1 km | 0.621371 mi |
| 5 km | 3.1069 mi |
| 10 km | 6.2137 mi |
| 25 km | 15.5343 mi |
| 50 km | 31.0686 mi |
| 100 km | 62.1371 mi |
How it works
How to convert kilometers to miles
mi = km × 0.621371.
Worked examples: 10 kilometers = 6.2137 miles; 100 kilometers = 62.1371 miles.
About kilometers and miles
A kilometer is 1,000 meters. The international mile is 5,280 feet, exactly 1,609.344 m.
When you'd convert kilometers to miles
Race distances and road trips: 10 km is 6.2 miles, and a marathon is 42.195 km, 26.2 miles.
Common mistake: rounding too early. Keep the full factor and round only the final answer.
To go the other way, use the miles to kilometers converter.
The converter on this page works out the answer in your browser as you type, and shows the factor so you can check it by hand.
Questions
How do I convert kilometers to miles?
1 kilometer = 0.621371 miles. Multiply by 0.621371.
What does the Converter : Units app add?
The same conversion, plus history, a constants library, and the rest of the unit categories on the phone.