Square miles to Square kilometers conversion table
| Square miles | Square kilometers |
|---|---|
| 1 mi² | 2.589988 km² |
| 2 mi² | 5.179976 km² |
| 5 mi² | 12.949941 km² |
| 10 mi² | 25.899881 km² |
| 25 mi² | 64.749703 km² |
| 50 mi² | 129.499406 km² |
| 100 mi² | 258.998811 km² |
How to convert square miles to square kilometers
Square kilometers = Square miles × 2.589988. For example, 2 mi² = 5.179976 km². Type a value in either box above: the other one updates instantly, both ways.
What is a square mile?
A square mile (mi²) is 640 acres, about 2.59 km².
What is a square kilometer?
A square kilometer (km²) is 1,000,000 m² or 100 hectares, about 0.386 square miles.
How do I convert square miles to square kilometers?
Use the formula Square kilometers = Square miles × 2.589988. Type a value in the square miles box and the result appears instantly.
How many square kilometers are in 1 square mile?
1 mi² = 2.589988 km².
Is this converter free and private?
Yes. It is free, needs no sign-up, and the calculation runs in your browser: nothing is sent to a server.