Square Miles to Square Kilometres
mi² to km² conversion calculator
Formula:
km² = mi² × 2.5900
Converting square miles to square kilometres is a common area conversion used in everyday calculations, science, engineering, and cooking. The formula is: km² = mi² × 2.5900.
To convert from mi² to km²: Multiply the square miles value by 2.5900.
Example: Convert 25 mi² to km².
Using the formula: 25 mi² = 64.7497 km².
Square Miles and Square Kilometres are units of area measurement. Square metres and hectares are standard in metric countries, while acres and square feet are common in the US, UK, and Australia for property sizes.
mi² to km² Conversion Table
| mi² | km² |
|---|---|
| 1.0000 mi² | 2.5900 km² |
| 2.0000 mi² | 5.1800 km² |
| 5.0000 mi² | 12.9499 km² |
| 10.0000 mi² | 25.8999 km² |
| 15.0000 mi² | 38.8498 km² |
| 20.0000 mi² | 51.7998 km² |
| 25.0000 mi² | 64.7497 km² |
| 50.0000 mi² | 129.50 km² |
| 75.0000 mi² | 194.25 km² |
| 100.00 mi² | 259.00 km² |
| 250.00 mi² | 647.50 km² |
| 500.00 mi² | 1,294.99 km² |
| 1,000.00 mi² | 2,589.99 km² |