Convert Miles to Kilometers
One mile equals 1.609344 kilometers. Type any value to convert miles to kilometers instantly — with a full reference table below.
Convert Miles to Kilometers
Converted in your browser — nothing you enter is sent anywhere.
How to convert Miles to Kilometers
To convert miles to kilometers, multiply by 1.609344. One mile equals 1.609344 km, and one kilometer equals 0.621371 mi.
- Take the value in miles — for example 7.5 mi.
- Multiply by 1.609344 (the number of kilometers in one mile).
- 7.5 × 1.609344 = 12.07008 km.
Quick mental estimate: Multiply the number of miles by 1.6 (within 0.6% of the exact answer).
Miles to Kilometers conversion table
| Miles | Kilometers |
|---|---|
| 1 mi | 1.609344 km |
| 2 mi | 3.218688 km |
| 3 mi | 4.828032 km |
| 4 mi | 6.437376 km |
| 5 mi | 8.04672 km |
| 6 mi | 9.656064 km |
| 7 mi | 11.26541 km |
| 8 mi | 12.87475 km |
| 9 mi | 14.4841 km |
| 10 mi | 16.09344 km |
| 12 mi | 19.31213 km |
| 15 mi | 24.14016 km |
| 20 mi | 32.18688 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
| Kilometers | Miles |
|---|---|
| 1 km | 0.621371 mi |
| 2 km | 1.242742 mi |
| 3 km | 1.864114 mi |
| 4 km | 2.485485 mi |
| 5 km | 3.106856 mi |
| 6 km | 3.728227 mi |
| 7 km | 4.349598 mi |
| 8 km | 4.97097 mi |
| 9 km | 5.592341 mi |
| 10 km | 6.213712 mi |
| 12 km | 7.456454 mi |
| 15 km | 9.320568 mi |
| 20 km | 12.42742 mi |
| 25 km | 15.53428 mi |
| 50 km | 31.06856 mi |
| 100 km | 62.13712 mi |
About converting Miles to Kilometers
Miles (mi) and Kilometers (km) are both units of length. The exact factor is 1 mi = 1.609344 km, so multiply by 1.609344 to go from miles to kilometers (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Kilometers to Miles converter, or the full unit converter for every unit at once.
Real-world length in miles and kilometers
| Example | Miles | Kilometers |
|---|---|---|
| A football pitch (FIFA recommended length) | 0.065244 mi | 0.105 km |
| A marathon | 26.21876 mi | 42.195 km |
| Mount Everest (2020 survey height) | 5.498427 mi | 8.84886 km |
“≈” marks typical values; the rest are defined or measured figures.
The units
The international mile: 5,280 feet, exactly 1,609.344 m.
Used for: Road distances and speed limits in the US and UK.
1,000 metres.
Used for: Road distances and speed signs in most of the world.
Every length factor here is exact: the inch has been defined as exactly 25.4 mm since the 1959 International Yard and Pound Agreement.