Kilometers to Miles Converter

Kilometers to miles is the go-to conversion for race distances, road signs abroad and car odometers. A mile is exactly 1.609344 km, so divide by that (or multiply by about 0.621371).

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3.10686

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How to use the Kilometers to Miles Converter

  1. Type the number of kilometers in the box
  2. The value in miles appears instantly
  3. Use the table for common values, or switch units to convert anything else

Kilometers to Miles formula

mi = km × 0.621371192

Example: 5 km × 0.62137119 = 3.10686 mi.

💡 Runners: a 5K is 3.11 miles, a 10K is 6.21 miles and a marathon (42.195 km) is 26.2 miles.

Kilometers to Miles conversion chart

KilometersMiles
1 km0.621371 mi
2 km1.24274 mi
3 km1.86411 mi
5 km3.10686 mi
10 km6.21371 mi
15 km9.32057 mi
20 km12.4274 mi
21.0975 km13.1094 mi
42.195 km26.2188 mi
50 km31.0686 mi
100 km62.1371 mi
160 km99.4194 mi
500 km310.686 mi
1,000 km621.371 mi

Frequently asked questions

How do I convert kilometers to miles?

Use the formula mi = km × 0.621371192. For example, 5 km = 3.10686 mi.

How many miles are in 1 kilometer?

1 km = 0.62137119 mi.

Any handy reference points?

Runners: a 5K is 3.11 miles, a 10K is 6.21 miles and a marathon (42.195 km) is 26.2 miles.

Is this kilometers to miles converter accurate?

Yes. It uses exact definitions (for example, 1 inch = 2.54 cm and 1 lb = 0.45359237 kg) and shows up to 10 significant digits.

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