Mile to Kilometer (mi to km)
Convert mi to km — Length converter
1 mile = 1.609344 kilometers.
The mile (mi) is a US and imperial distance unit; the kilometer (km) is metric. To convert miles to kilometers, multiply by 1.609344 — or add about 60% to the miles.
Miles-to-kilometers is useful for travel, running, and reading US road signs abroad. Five miles is about 8 km, and the 26.2-mile marathon distance is 42.16 km (the official figure is 42.195 km).
1.609344Click to copy
1 mi = 1.609344 km
Mile to Kilometer formula
1 Mile = 1.609344 km
Worked examples
- 25 mi = 40.2336 km
- 100 mi = 160.9344 km
Common uses
- Converting US road distances to km
- Turning a mile-based run into kilometers
- Comparing speed limits and travel legs
Mile to Kilometer conversion table
| Mile (mi) | Kilometer (km) |
|---|---|
| 1 | 1.609344 |
| 2 | 3.218688 |
| 3 | 4.828032 |
| 5 | 8.04672 |
| 8 | 12.874752 |
| 10 | 16.09344 |
| 12 | 19.312128 |
| 15 | 24.14016 |
| 20 | 32.18688 |
| 25 | 40.2336 |
| 50 | 80.4672 |
| 100 | 160.9344 |
| 250 | 402.336 |
| 500 | 804.672 |
| 1000 | 1609.34 |
Frequently asked questions
How many kilometers are in a mile?
One mile equals 1.609344 kilometers.
What is 5 miles in km?
5 mi = 8.05 km.
What is 26.2 miles (a marathon) in km?
26.2 mi = 42.16 km. The official marathon distance is 42.195 km (26.219 mi).
How do I convert miles to km quickly?
Multiply by 1.6, or add roughly 60% to the mileage.