Miles to Kilometers Converter
Convert miles to kilometers instantly. Type a value, change either unit, or press swap to go the other way. 1 mile = 1.609344 kilometers.
1 mile = 1.609344 kilometers
How to convert miles to kilometers
kilometers = miles × 1.609344
To convert miles to kilometers, multiply the value by 1.609344. To go back from kilometers to miles, divide by the same number (or multiply by 0.6213711922).
Worked examples
- 5 mi: 5 × 1.609344 = 8.04672 km
- 6.2 mi: 6.2 × 1.609344 = 9.9779328 km
- 10 mi: 10 × 1.609344 = 16.09344 km
Multiply by 1.6, or use the Fibonacci trick: 5 miles is about 8 km, 8 miles about 13 km, and 13 miles about 21 km.
Miles to Kilometers conversion table
Miles to Kilometers
| mi | km |
|---|---|
| 1 | 1.609344 |
| 3.1 | 4.9889664 |
| 5 | 8.04672 |
| 6.2 | 9.9779328 |
| 10 | 16.09344 |
| 13.1 | 21.082406 |
| 26.2 | 42.164813 |
| 50 | 80.4672 |
| 100 | 160.9344 |
| 500 | 804.672 |
Kilometers to Miles
| km | mi |
|---|---|
| 1 | 0.62137119 |
| 3.1 | 1.9262507 |
| 5 | 3.106856 |
| 6.2 | 3.8525014 |
| 10 | 6.2137119 |
| 13.1 | 8.1399626 |
| 26.2 | 16.279925 |
| 50 | 31.06856 |
| 100 | 62.137119 |
| 500 | 310.6856 |
Distance equivalents
See how one mile and one kilometer compare with every other distance unit on the site.
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 |
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 |
When you need to convert miles to kilometers
Road signs in the US and UK use miles, while the rest of the world drives in kilometers. Runners, cyclists and travelers need to switch between the two constantly, whether it is a 10K race, a rental-car mileage cap or the distance between two cities.
About the units
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.
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.
Frequently asked questions
How do I convert miles to kilometers?
Multiply the number of miles by 1.609344. For example, 10 miles × 1.609344 = 16.09344 kilometers.
How many kilometers are in one mile?
There are 1.609344 kilometers in one mile.
How many miles are in one kilometer?
There are 0.6213711922 miles in one kilometer.
How many kilometers is a marathon?
A marathon is 26.2188 miles, which is exactly 42.195 kilometers. A half marathon is 13.1 miles or 21.0975 km, and a 10K race is about 6.21 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.