How to convert square miles to square kilometers
One square mile equals 2.58998811 square kilometers, so multiply the number of square miles by 2.58998811. For example, 5 mi² × 2.58998811 = 12.94994055 km².
Square miles to square kilometers table
| Square miles (mi²) | Square kilometers (km²) |
|---|---|
| 0.1 mi² | 0.258998811 km² |
| 0.5 mi² | 1.294994055 km² |
| 1 mi² | 2.58998811 km² |
| 2 mi² | 5.179976221 km² |
| 3 mi² | 7.769964331 km² |
| 4 mi² | 10.35995244 km² |
| 5 mi² | 12.94994055 km² |
| 6 mi² | 15.53992866 km² |
| 7 mi² | 18.12991677 km² |
| 8 mi² | 20.71990488 km² |
| 9 mi² | 23.30989299 km² |
| 10 mi² | 25.8998811 km² |
| 15 mi² | 38.84982166 km² |
| 20 mi² | 51.79976221 km² |
| 25 mi² | 64.74970276 km² |
| 30 mi² | 77.69964331 km² |
| 50 mi² | 129.4994055 km² |
| 75 mi² | 194.2491083 km² |
| 100 mi² | 258.998811 km² |
| 250 mi² | 647.4970276 km² |
| 500 mi² | 1,294.994055 km² |
| 1,000 mi² | 2,589.98811 km² |
Need it the other way? Use the square kilometers to square miles converter, or the unit converter for any other area unit.
Questions
How many square kilometers are in a square mile?
1 mi² = 2.58998811 km².
How many square miles are in a square kilometer?
1 km² = 0.3861021585 mi².
What is 10 mi² in km²?
10 mi² = 25.8998811 km².