Length

1 Miles to Kilometers

1 mi = 1.609 km

Kilometers (km)
1.609

1 mi = 1.609 km

How the conversion works

A mile is an imperial unit of length used mainly in the United States and the United Kingdom. A kilometer is the metric unit used almost everywhere else. One mile is exactly 1,609.344 meters, or 1.609344 kilometers.

Formula: kilometers = miles × 1.609344

Quick reference

Miles (mi)Kilometers (km)
11.609
23.219
58.047
1016.093
26.242.164

FAQ

How many km is exactly 1 mile?
1 mile = 1.609344 kilometers (often rounded to 1.61 km).
How do I convert miles to km in my head?
Multiply the miles by 1.6 for a quick estimate. For example, 5 miles ≈ 8 km.
Is a mile longer than a kilometer?
Yes. One mile is about 61% longer than one kilometer.

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