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Quick access from your home screen1 mi² = 2.589988 km². Convert square miles to square kilometers instantly with the converter below.
| Square mile | Square kilometer |
|---|---|
| 1 mi² | 2.589988 km² |
| 2 mi² | 5.179976 km² |
| 5 mi² | 12.949941 km² |
| 10 mi² | 25.899881 km² |
| 20 mi² | 51.799762 km² |
| 25 mi² | 64.749703 km² |
| 50 mi² | 129.499406 km² |
| 100 mi² | 258.998811 km² |
| 250 mi² | 647.497028 km² |
| 500 mi² | 1,294.994055 km² |
| 1,000 mi² | 2,589.98811 km² |
1 mi² = 2.589988 km².
Multiply the value (mi²) by 2.589988 to get km².
1 km² = 0.386102 mi².
Yes. It uses the standard international conversion factors and runs entirely in your browser, uploading no data.
Reverse: square kilometers to square miles