Convert Kilometers to Miles
One kilometer equals 0.621371 miles. Type any value to convert kilometers to miles instantly — with a full reference table below.
Convert Kilometers to Miles
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How to convert Kilometers to Miles
To convert kilometers to miles, multiply by 0.621371. One kilometer equals 0.621371 mi, and one mile equals 1.609344 km.
- Take the value in kilometers — for example 7.5 km.
- Multiply by 0.621371 (the number of miles in one kilometer).
- 7.5 × 0.621371 = 4.660284 mi.
Quick mental estimate: Divide the number of kilometers by 1.6 (within 0.6% of the exact answer).
Kilometers to Miles conversion table
| 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 |
| 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 |
About converting Kilometers to Miles
Kilometers (km) and Miles (mi) are both units of length. The exact factor is 1 km = 0.621371 mi, so multiply by 0.621371 to go from kilometers to miles (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Miles to Kilometers converter, or the full unit converter for every unit at once.
Real-world length in kilometers and miles
| Example | Kilometers | Miles |
|---|---|---|
| A football pitch (FIFA recommended length) | 0.105 km | 0.065244 mi |
| A marathon | 42.195 km | 26.21876 mi |
| Mount Everest (2020 survey height) | 8.84886 km | 5.498427 mi |
“≈” marks typical values; the rest are defined or measured figures.
The units
1,000 metres.
Used for: Road distances and speed signs in most of the world.
The international mile: 5,280 feet, exactly 1,609.344 m.
Used for: Road distances and speed limits in the US and UK.
Every length factor here is exact: the inch has been defined as exactly 25.4 mm since the 1959 International Yard and Pound Agreement.