Square miles to square kilometers
Enter a value in square miles to get the equivalent in square kilometers.
Result
1 mi² = 2.58998811 km².
Example
Convert square miles to square kilometers in your browser using the exact factor 1 mi² = 2.58998811 km².
1 mi² = 2.58998811 km².
Processed locally in your browser.
Methodology
1 square mile equals 2.58998811 square kilometers, so square kilometers = square miles × 2.58998811.
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