How to convert kilometers to miles
- Type the value you want to convert.
- The result appears instantly. Use Swap units to reverse the direction.
- Choose other units from the lists if you need a different conversion.
Formula
mi = km × 0.6214 and km = mi × 1.6093.
Examples
21.0975 km = 13.1094 mi. 50 km = 31.0686 mi. 200 km = 124.2742 mi.
Quick reference table
| km | 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 |
| 50 km | 31.0686 mi |
| 100 km | 62.1371 mi |
| 200 km | 124.2742 mi |
| 500 km | 310.6856 mi |
| 1,000 km | 621.3712 mi |
And the other way: mi to km
| mi | km |
|---|---|
| 1 mi | 1.6093 km |
| 5 mi | 8.0467 km |
| 10 mi | 16.0934 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
When you need this conversion
Road signs, running events and travel distances use kilometers in most countries and miles in the USA and the UK. A quick rule of thumb is that a kilometer is a little over half a mile (0.62 mi).
Frequently asked questions
How many mi is 1 km?
1 km equals 0.6214 mi. In the other direction, 1 mi equals 1.6093 km.
How many miles is a 10K run?
A 10K run is 10 km, which is 6.2137 miles.
What is the formula to convert kilometers to miles?
Multiply the number of km by 0.6214 to get mi. To go back, multiply mi by 1.6093.
Is this converter free and private?
Yes. It is free, needs no sign-up and runs in your browser, so the numbers you enter are not sent anywhere.
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Last updated: November 6, 2026