Miles to kilometres

Convert miles to kilometres. To convert miles to kilometres, multiply by 1.609.

Factors from their legal definitions.

26.2 miles is 42.165 kilometres.

One mile	1.609 km
One kilometre	0.6214 miles

Show the workings

Step	Sum	Answer
One mile in metres	1760 × 0.9144 m	1,609.344 m
One kilometre in metres	1,000 metres	1,000 m
26.2 miles in metres	26.2 × 1,609.3	42,164.813 m
In kilometres	42,164.8 ÷ 1,000	42.165 km

Where the figures come from

A yard in metres: 0.914 m per yard. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.
Yards in a mile: 1,760 yards per mile. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.

Miles to kilometres table

Miles	Kilometres
0.5 miles	0.8047 km
1 miles	1.609 km
2 miles	3.219 km
3 miles	4.828 km
4 miles	6.437 km
5 miles	8.047 km
6 miles	9.656 km
7 miles	11.265 km
8 miles	12.875 km
9 miles	14.484 km
10 miles	16.093 km
12 miles	19.312 km
15 miles	24.14 km
20 miles	32.187 km
25 miles	40.234 km
30 miles	48.28 km
40 miles	64.374 km
50 miles	80.467 km
75 miles	120.701 km
100 miles	160.934 km

How to convert miles to kilometres

One mile is 1.609 kilometres, and one kilometre is 0.6214 miles. So to turn miles into kilometres, multiply by 1.609. For example, 26.2 miles × 1.609 = 42.165 kilometres.

Where the numbers come from

Imperial units are defined in law as exact amounts of metric ones. These are the definitions this converter uses:

A yard in metres: 0.914 m per yard. Source: Weights and Measures Act 1985, Schedule 1.
Yards in a mile: 1,760 yards per mile. Source: Weights and Measures Act 1985, Schedule 1.

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