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Home / Miles to Kilometers

Convert Miles to Kilometers

Enter a value in miles and get its equivalent in kilometers instantly. 1 mi = 1.609344 km.

No sign-up and nothing uploaded to a server: everything happens in your browser. See for yourself.

How to use: Miles to Kilometers

  1. Enter the value in miles.
  2. The result in kilometers appears right away.
  3. Use "Swap" if you need the conversion the other way.

Frequently asked questions

How many kilometers is 5 mi?

5 mi is 8.04672 km.

What is the formula to convert miles to kilometers?

Multiply the value in miles by 1.609344.

How do I convert the other way?

Click "Swap" in the calculator or use the kilometers to miles page.

Conversion chart

MilesKilometers
1 mi1.609344 km
5 mi8.04672 km
10 mi16.09344 km
50 mi80.4672 km
100 mi160.9344 km

About this tool

Kilometers are used in Mexico and almost everywhere else in the world; miles are used in the United States and the United Kingdom (road signs and races).

To convert miles to kilometers, multiply by 1.609344. In other words, 1 mi = 1.609344 km.

One mile equals 1.609344 km.

A marathon is 42.195 km, or 26.2 miles.

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