KM to Miles Converter
Convert kilometers to miles instantly with our free online km to miles converter. Enter any distance in kilometers and see the exact equivalent in miles immediately.
How to Use This Kilometer to Mile Converter
- 1Enter the distance in kilometers (km) in the input field above.
- 2The converter automatically calculates the exact distance in miles (mi).
- 3Use the swap button to switch between km to miles and miles to km conversion.
- 4Check the common conversions table for running, cycling, and driving distances.
Kilometer to Mile Formula
To convert kilometers to miles, divide the distance in kilometers by 1.609344. The formula is: miles = kilometers ÷ 1.609344. Alternatively, you can multiply kilometers by 0.621371 to get the same result. This factor is the reciprocal of 1.609344.
For example, to convert 10 km to miles: 10 ÷ 1.609344 = 6.21 miles. To convert 42.16 km (a marathon) to miles: 42.16 ÷ 1.609344 = 26.2 miles.
Common Kilometers to Miles Conversions
| Kilometer (km) | Mile (mi) |
|---|---|
| 1 | 0.621 |
| 2 | 1.24 |
| 3 | 1.86 |
| 5 | 3.11 |
| 8 | 4.97 |
| 10 | 6.21 |
| 15 | 9.32 |
| 20 | 12.43 |
| 25 | 15.53 |
| 30 | 18.64 |
| 42.16 | 26.2 |
| 50 | 31.07 |
| 75 | 46.6 |
| 100 | 62.14 |
| 150 | 93.21 |
| 200 | 124.3 |
| 300 | 186.4 |
| 500 | 310.7 |
| 1,000 | 621.4 |
| 2,000 | 1,242.7 |
About Kilometers and Miles
The kilometer is the standard unit of distance in the metric system, equal to exactly 1,000 meters or approximately 0.621 miles. It is used worldwide for road signs, maps, athletic events, and scientific measurements. The mile remains in use in the United States and the United Kingdom for road distances and speed limits. Converting kilometers to miles is necessary for international travelers interpreting foreign road signs, athletes comparing race distances, cyclists tracking their routes, and logistics companies coordinating cross-border transportation. Our km to miles converter provides precise conversions for any distance, from a short walk to an international flight.