Kilometre to Mile
Free instant kilometre to mile converter. 1 km = 0.621371 mi.
Common Kilometre to Mile values
| Kilometre (km) | Mile (mi) |
|---|---|
| 1 | 0.621371 |
| 5 | 3.10686 |
| 10 | 6.21371 |
| 25 | 15.5343 |
| 50 | 31.0686 |
| 100 | 62.1371 |
| 500 | 310.686 |
| 1000 | 621.371 |
How does Kilometre to Mile conversion work?
Type a value in the Kilometre (km) field and the equivalent in Mile (mi) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Kilometre. A metric unit equal to 1,000 metres. About 0.62 miles. A typical brisk-walk pace covers a kilometre in 10–12 minutes.
Mile. The standard road-distance unit in the US and UK. Defined as exactly 1,609.344 metres since 1959.
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Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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