Miles to Kilometres Converter
Convert miles to kilometres and kilometres to miles in either direction. Type a value into either field below and the other updates instantly. 1 mile = 1.609344 kilometres.
One mile is defined as exactly 1.609344 kilometres (equivalently, 1 kilometre is 0.6213711922 miles). To convert miles to kilometres, multiply by 1.609344. To convert kilometres to miles, divide by 1.609344.
How to convert miles to kilometres
Miles to kilometres conversion table
Frequently asked questions
How many kilometres are in a mile?
One mile equals exactly 1.609344 kilometres. This is the international agreement definition used by our converter.
How do I convert miles to kilometres?
Multiply the number of miles by 1.609344. For example, 10 miles × 1.609344 = 16.09 kilometres. The calculator above does this instantly in both directions.
How do I convert kilometres back to miles?
Divide the number of kilometres by 1.609344 (or multiply by 0.6213711922). For example, 100 km ÷ 1.609344 = 62.14 miles. Type a value into the kilometres field above and the miles field updates automatically.
What is a marathon in kilometres?
A marathon is 26.2 miles, which equals about 42.16 kilometres (26.2 × 1.609344 = 42.1648).
Related converters and pages
How our calculations are produced · Conversion guides · About EasyConvertCalc