Square Mile to Square Kilometer
Convert Square Mile [mi²] to Square Kilometer [km²] and vice versa.
Conversion Formula
Example: 1 mi² = 2.58999 km²
The conversion uses the following relationship: Square Mile values are converted to the base unit (Square Meter), then converted to Square Kilometer.
Related Area Conversions
Quick Reference Table
| mi² | km² |
|---|---|
| 1 | 2.58999 |
| 5 | 12.9499 |
| 10 | 25.8999 |
| 25 | 64.7497 |
| 50 | 129.499 |
| 100 | 258.999 |
| 250 | 647.497 |
| 500 | 1294.99 |
| 1000 | 2589.99 |
All Converters