Miles to KM Converter
Convert miles to kilometres quickly and accurately. Type a distance in miles and the equivalent in kilometres appears instantly.
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Formula
To convert miles to kilometres, multiply the value by 1.609344.
1 mi = 1.6093 km
kilometres = miles × 1.609344
About miles and kilometres
The kilometre is the metric unit of road distance, used for speed limits and signage in almost every country.
The mile survives on road signs in the United States and the United Kingdom, and in running: a marathon is 26.2 miles, and a half marathon 13.1.
Accuracy
One mile is defined as exactly 1.609344 kilometres, fixed by the 1959 international yard and pound agreement. A useful mental shortcut is that kilometres to miles is close to multiplying by 0.6, or dividing by 1.6.
Miles to Kilometres conversion table
| Miles | Kilometres |
|---|---|
| 1 mi | 1.6093 km |
| 3 mi | 4.828 km |
| 5 mi | 8.0467 km |
| 10 mi | 16.0934 km |
| 13.1094 mi | 21.0975 km |
| 26.2188 mi | 42.1951 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
| 500 mi | 804.672 km |
| 1,000 mi | 1,609.344 km |
Frequently asked questions
How do you convert miles to kilometres?
Kilometres = miles × 1.609344. For example, 1 mi equals 1.6093 km.
How many kilometres is 1 mile?
One mile is exactly 1.609344 kilometres, normally written as 1.61 km.
How many kilometres is a 5 mile run?
5 miles is 8.0467 kilometres, or roughly 8 km.
Why do some countries use miles and others kilometres?
The mile is inherited from Roman and later imperial measures; the kilometre came out of the metric system devised after the French Revolution. Most countries adopted metric during the twentieth century, while the United States and United Kingdom kept miles on road signs.
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