KM to Miles Converter
Convert kilometers to miles instantly, and miles back to km. Based on the exact 1 mile = 1.609344 km definition.
Independently verified for accuracy
Calculator by Toolsloft ↗- Result
- 0.621371 Miles (mi)
- Conversion
- 1 Kilometers (km) = 0.621371 Miles (mi)
Convert kilometers to miles, and miles back to kilometers with the swap button. Useful for reading distances on a map, checking a car odometer, or planning a run when the units are not the ones you grew up with. Enter the distance and the answer updates instantly.
How this is calculated
Because a mile is exactly 1609.344 meters, kilometers are divided by 1.609344 to get miles (about 0.621371 miles per kilometer). The reverse multiplies miles by 1.609344. The factor is exact, so conversions are precise rather than approximate.
How to use
- Enter the number of kilometers.
- Keep the direction on km to miles, or press Swap units for miles to km.
- Read the result in miles.
Examples
- Five-kilometer race:
5 km = 3.106856 mi - Ten kilometers:
10 km = 6.213712 mi - Miles to km:
1 mi = 1.609344 km
FAQ
- How do I convert kilometers to miles?
- Divide the number of kilometers by 1.609344, or multiply by about 0.6214. So 10 km is about 6.21 miles.
- How many miles is a 5K?
- A 5-kilometer race is about 3.11 miles. A 10K is about 6.21 miles.