Kilometer to Mile

Convert kilometer to mile with the exact factor, a quick reference table and three worked examples. Everything runs in your browser.

Free Runs locally No signup
FromKilometer (km)
ToMile (mi)
0.621371mi
mi = km × 0.621371

Conversion formula

mi = km × 0.621371

The conversion factor is 0.621371; multiply directly.

Common conversions

Kilometer (km) Mile (mi)
1 0.621371
2 1.2427
5 3.1069
10 6.2137
20 12.4274
50 31.0686
100 62.1371

Worked examples

1

1 km = 0.621371 mi

2

10 km = 6.2137 mi

3

100 km = 62.1371 mi

Frequently asked questions

How many mile are in one kilometer?
One kilometer equals 0.621371 mile. Use mi = km × 0.621371 for any value.
What is the conversion formula?
The formula is mi = km × 0.621371. Here km is the input unit and mi is the output unit.
Is the result rounded?
The calculation uses the standard factor 0.621371. Displayed values keep up to six significant digits.

Related conversions

Open the full unit converter