Convert Square Miles to Square Kilometers
Square Miles to Square Kilometers
Convert square miles (mi²) to square kilometers (km²) for international area measurements.
How many Square Kilometers in a Square Mile
One square mile is equal to 2.58999 square kilometers:
1mi² = 2.58999 × 1 = 2.58999km²
Square Miles to Square Kilometers Conversion Table
| Square Miles (mi²) | Square Kilometers (km²) |
|---|---|
| 1 mi² | 2.58999 km² |
| 2 mi² | 5.17998 km² |
| 3 mi² | 7.76997 km² |
| 4 mi² | 10.35996 km² |
| 5 mi² | 12.94995 km² |
| 6 mi² | 15.53994 km² |
| 7 mi² | 18.12993 km² |
| 8 mi² | 20.71992 km² |
| 9 mi² | 23.30991 km² |
| 10 mi² | 25.8999 km² |
| 20 mi² | 51.7998 km² |
| 30 mi² | 77.6997 km² |
| 40 mi² | 103.5996 km² |
| 50 mi² | 129.4995 km² |
| 60 mi² | 155.3994 km² |
| 70 mi² | 181.2993 km² |
| 80 mi² | 207.1992 km² |
| 90 mi² | 233.0991 km² |
| 100 mi² | 258.999 km² |
Common Use Cases
International Reporting
Convert US and UK area measurements from square miles to square kilometers for global standardization.
Scientific Research
Convert large area measurements from imperial to metric units for scientific publications and research.
Urban Planning
Convert city and metropolitan area sizes from square miles to square kilometers for international comparisons.