Kilometers to Miles Converter
Convert kilometers to miles instantly. Type a value, change either unit, or press swap to go the other way. 1 kilometer = 0.62137119 miles.
1 kilometer = 0.62137119 miles
How to convert kilometers to miles
miles = kilometers × 0.6213711922
To convert kilometers to miles, multiply the value by 0.6213711922. To go back from miles to kilometers, divide by the same number (or multiply by 1.609344).
Worked examples
- 10 km: 10 × 0.6213711922 = 6.2137119 mi
- 21.0975 km: 21.0975 × 0.6213711922 = 13.109379 mi
- 42.195 km: 42.195 × 0.6213711922 = 26.218757 mi
Multiply kilometers by 0.6, then add a little. 100 km is about 62 miles (exactly 62.14).
Kilometers to Miles conversion table
Kilometers to Miles
| km | mi |
|---|---|
| 1 | 0.62137119 |
| 5 | 3.106856 |
| 10 | 6.2137119 |
| 21.0975 | 13.109379 |
| 42.195 | 26.218757 |
| 50 | 31.06856 |
| 100 | 62.137119 |
| 200 | 124.27424 |
| 500 | 310.6856 |
| 1,000 | 621.37119 |
Miles to Kilometers
| mi | km |
|---|---|
| 1 | 1.609344 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 21.0975 | 33.953135 |
| 42.195 | 67.90627 |
| 50 | 80.4672 |
| 100 | 160.9344 |
| 200 | 321.8688 |
| 500 | 804.672 |
| 1,000 | 1,609.344 |
Distance equivalents
See how one kilometer and one mile compare with every other distance unit on the site.
1 kilometer equals
| Unit | Value |
|---|---|
| millimeters (mm) | 1,000,000 |
| centimeters (cm) | 100,000 |
| meters (m) | 1,000 |
| inches (in) | 39,370.08 |
| feet (ft) | 3,280.84 |
| yards (yd) | 1,093.613 |
| miles (mi) | 0.6213712 |
| nautical miles (nmi) | 0.5399568 |
1 mile equals
| Unit | Value |
|---|---|
| millimeters (mm) | 1,609,344 |
| centimeters (cm) | 160,934.4 |
| meters (m) | 1,609.344 |
| kilometers (km) | 1.609344 |
| inches (in) | 63,360 |
| feet (ft) | 5,280 |
| yards (yd) | 1,760 |
| nautical miles (nmi) | 0.8689762 |
When you need to convert kilometers to miles
Running races, road signs abroad, car trip planners and fitness apps all use kilometers, while the US and UK still measure road distance in miles. A quick, reliable conversion helps you judge a race distance, read a foreign speed limit or compare fuel range.
About the units
Kilometer (km)
A kilometer is 1,000 meters and is used for road distances in nearly every country except the US and, for road signs, the UK. It is about 0.62 miles.
Mile (mi)
The statute mile is exactly 1,609.344 meters, or 5,280 feet. It is used for road distances in the US and UK.
Frequently asked questions
How do I convert kilometers to miles?
Multiply the number of kilometers by 0.6213711922. For example, 10 kilometers × 0.6213711922 = 6.213711922 miles.
How many miles are in one kilometer?
There are 0.6213711922 miles in one kilometer.
How many kilometers are in one mile?
There are 1.609344 kilometers in one mile.
How many miles are a 5K, 10K and half marathon?
A 5K is 3.107 miles, a 10K is 6.214 miles, a half marathon (21.0975 km) is 13.109 miles and a full marathon (42.195 km) is 26.219 miles.
Can I convert other distance units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any distance unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.