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Km to Miles Converter
Convert kilometers to miles instantly, with every other length unit alongside.
Enter a length to convert it
Enter a length and pick its unit. Every other unit is calculated live as you type — right here in your browser, with nothing sent to a server.
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How to convert kilometers to miles
One kilometer is 0.621371 miles, so multiply the number of kilometers by 0.621371 to get miles. For example, 10 km × 0.621371 = 6.21371 mi. A quick mental shortcut is to multiply by 6 and divide by 10: 10 km is roughly 6 miles. The converter above does the exact maths as you type and also shows meters, feet, yards and inches for the same distance.
Kilometers to miles table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.6214 mi |
| 5 km | 3.1069 mi |
| 10 km | 6.2137 mi |
| 21.0975 km | 13.1094 mi |
| 42.195 km | 26.2188 mi |
| 100 km | 62.1371 mi |
Common questions
How many miles is 5 km?
5 km is about 3.107 miles (5 × 0.621371). That is the standard 5K race distance.
How many miles is a marathon in km?
A marathon is 42.195 km, which is about 26.219 miles. A half marathon is 21.0975 km, about 13.109 miles.
What is the formula for km to miles?
Miles = kilometers × 0.621371. The inverse is kilometers = miles × 1.609344.