Miles to Kilometres

Convert miles (mi) to kilometres (km) instantly — with formula and reference table.

mi
km

Quick answer: 1 mi = 1.609344 km. To convert miles to kilometres, multiply by mi × 1.609344.

Converting miles to kilometres

This converter changes a value in miles (mi) into kilometres (km). One mile equals 1.609344 km. One mile equals exactly 1.609344 kilometres. The mile is used for road distances in the US and UK; most other countries use kilometres. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.

Formula

km = mi × 1.609344

Example

Convert 10 mi to km: 10 × 1.609344 = 16.09344 km.

Miles to Kilometres conversion table

Miles (mi)Kilometres (km)
1 mi1.609344 km
2 mi3.218688 km
3 mi4.828032 km
5 mi8.04672 km
10 mi16.09344 km
20 mi32.18688 km
25 mi40.2336 km
50 mi80.4672 km
100 mi160.9344 km

How to use this converter

  1. Enter a value in the miles (mi) field.
  2. Read the converted value in kilometres (km) below.
  3. Type into the km field instead to convert in reverse, or use the swap button.

Frequently asked questions

How many kilometres are in a mile?

1 mile equals 1.609344 kilometres.

How do I convert 26.2 miles to km?

26.2 × 1.609344 = 42.16 km — the length of a marathon.

How fast is 60 mph in km/h?

60 mph = 96.56 km/h. Use the mph-to-km/h converter for speeds.

Last updated: 2026-05-24 Free · No signup · Works offline Suggest an improvement