Square Miles to Square Kilometers
Convert square miles to square kilometers — type a value in either box for an instant result.
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Square Kilometers
1 mi² = 2.589988 km² · multiply by 2.589988
| Square Miles | Square Kilometers |
|---|---|
| 1 mi² | 2.589988 km² |
| 2 mi² | 5.179976 km² |
| 3 mi² | 7.769964 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 use
- Type a value in either field.
- The other unit updates instantly.
- Use the reference table for common values.
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FAQ
How many square kilometers are in a square mile?
1 mi² = 2.589988 km².
Is this converter free?
Yes — it runs instantly in your browser, with no signup.
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