Kilometres to miles converter
Convert kilometres to miles instantly. Type in either box — it works both ways.
Kilometre (km) ⇄ Mile (mi)
Works offline1 Kilometre (km) = 0.621371 Mile (mi)
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How the conversion works
1 kilometre = 0.621371 miles, so miles = km × 0.621371. For a quick mental estimate, multiply by 0.6.
Quick reference table
| Kilometre (km) | Mile (mi) |
|---|---|
| 1 Kilometre (km) | 0.621371 Mile (mi) |
| 5 Kilometre (km) | 3.10686 Mile (mi) |
| 10 Kilometre (km) | 6.21371 Mile (mi) |
| 21.1 Kilometre (km) | 13.1109 Mile (mi) |
| 42.195 Kilometre (km) | 26.2188 Mile (mi) |
| 50 Kilometre (km) | 31.0686 Mile (mi) |
| 100 Kilometre (km) | 62.1371 Mile (mi) |
| 500 Kilometre (km) | 310.686 Mile (mi) |
When you need this
Indian road signs and odometers are in kilometres, while the US, the UK and many car and fitness apps use miles. This conversion comes up when reading foreign speed limits, planning a road trip abroad, comparing running distances, or checking a car’s specifications.
Frequently asked questions
How many miles is 10 km?
10 km is about 6.21 miles. The table on this page lists other common distances, including a 5K, 10K, half marathon and marathon.
How do I convert miles to km?
Type the miles in the second box and the kilometres appear in the first. The exact factor is 1 mile = 1.609344 km.
Is a mile the same everywhere?
The international mile used here is exactly 1,609.344 metres. Nautical miles (1,852 m) are a different unit used at sea and in aviation.
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Page reviewed 25 October 2026.