Mile to Kilometre
Free instant mile to kilometre converter. 1 mi = 1.60934 km.
Common Mile to Kilometre values
| Mile (mi) | Kilometre (km) |
|---|---|
| 1 | 1.60934 |
| 5 | 8.04672 |
| 10 | 16.0934 |
| 25 | 40.2336 |
| 50 | 80.4672 |
| 100 | 160.934 |
| 500 | 804.672 |
| 1000 | 1609.34 |
How does Mile to Kilometre conversion work?
Type a value in the Mile (mi) field and the equivalent in Kilometre (km) 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.
Mile. The standard road-distance unit in the US and UK. Defined as exactly 1,609.344 metres since 1959.
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.
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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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