Kilometers to Miles Converter

Divide kilometers by 1.609344 (or multiply by about 0.6214) to get miles.

5 km = 3.1068559612 mi

Convert miles to kilometers instead

Formula

1 km = 0.6213711922 mi

miles = kilometers ÷ 1.609344

Worked example

Convert 10 kilometers to miles

  1. Divide by 1.609344
  2. 10 ÷ 1.609344 = 6.21371

10 km = 6.21371 mi

Good to know

Common race distances: 5K = 3.107 mi, 10K = 6.214 mi, half marathon (21.1 km) = 13.1 mi. For a quick estimate, multiply by 0.6 — or take half and add a tenth of the original (100 km → 50 + 10 = 60 mi; the exact answer is 62.1).

Conversion table

Kilometers to miles conversion table
Kilometers (km)Miles (mi)
10.621371
31.86411
53.10686
106.21371
159.32057
21.097513.1094
42.19526.2188
5031.0686
8049.7097
10062.1371
200124.274
500310.686
1,000621.371

About these units

Kilometer (km)
One thousand meters. Used for road distances and running races in most of the world.
Mile (mi)
The international (statute) mile: exactly 1,609.344 m, or 5,280 feet.