pakmath.com

Miles to Kilometers (mi to km) Converter

1 mile (mi) = 1.60934 kilometers (km). To convert miles to kilometers, multiply by 1.60934: 26.2 mi × 1.60934 = 42.1648 km. Also searched as miles to kilometres.

1 mi = 1.609344 km
Convert the other way: Kilometers to Miles

Quick facts

How to convert miles to kilometers

  1. Take the value in miles.
  2. Multiply it by 1.60934 (the number of kilometers in one mile).
  3. Round the result to the precision you need.
km = mi × 1.60934

Worked example (a marathon): 26.2 mi × 1.60934 = 42.1648 km.

To convert kilometers back to miles, multiply by 0.621371, or divide by 1.60934.

Source: NIST Special Publication 811 (2008), Appendix B; the international yard and pound agreement of 1959 (1 inch = 25.4 mm exactly).

Miles to Kilometers conversion table

Miles to Kilometers conversion table
Miles [mi]Kilometers [km]
0.01 mi0.01609344 km
0.1 mi0.1609344 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
50 mi80.4672 km
100 mi160.9344 km
1000 mi1609.344 km

mi to km chart from 1 to 100

Kilometers to Miles conversion table

Kilometers to Miles conversion table
Kilometers [km]Miles [mi]
0.01 km0.0062137119 mi
0.1 km0.0621371192 mi
1 km0.6213711922 mi
2 km1.2427423845 mi
3 km1.8641135767 mi
5 km3.1068559612 mi
10 km6.2137119224 mi
20 km12.4274238447 mi
50 km31.0685596119 mi
100 km62.1371192237 mi
1000 km621.3711922373 mi

Miles vs Kilometers

MileKilometer
Symbolmikm
Equals1 mi = 1.60934 km1 km = 0.621371 mi

What is a mile?

A US customary and imperial unit equal to 5,280 feet or 1,609.344 meters. The standard road-distance unit in the US and UK.

What is a kilometer?

One thousand meters. Used for road distances and geography in every country except the US, UK, and Myanmar.

Frequently asked questions

How many kilometers are in a mile?

There are 1.60934 kilometers in 1 mile (1 mi = 1.609344 km).

How many miles are in a kilometer?

There are 0.621371 miles in 1 kilometer (1 km = 0.6213711922 mi).

How do I convert miles to kilometers?

Multiply the number of miles by 1.60934. For example, 10 mi × 1.60934 = 16.0934 km. To convert back, multiply by 0.621371.

What is 10 mi in kilometers?

10 mi = 16.0934 km.

What is 100 mi in kilometers?

100 mi = 160.934 km.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Special Publication 811 (2008), Appendix B; the international yard and pound agreement of 1959 (1 inch = 25.4 mm exactly)). Results are shown to up to 10 decimal places; round them to suit your purpose.

Popular length conversions

Convert miles to other units

Convert other units to kilometers

Open the full length converter with every unit →

Related converters

Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

Google Scholar profile (opens in a new tab)

First published 28 October 2026 · Last reviewed 5 November 2026