Conversion reference
Formula: Acres = mi2 x 640.
Square miles to Acres Converter
Convert Square miles (mi2) to Acres (Acres). Change either field to update the other value instantly.
mi2 and Acres converter
This page converts area units directly in your browser.
mi2 to Acres conversion table
| Square miles | Acres |
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mi2 to Acres formula
About mi2
Square miles are used in area conversions. Enter a mi2 value above to calculate Acres instantly.
About Acres
Acres are the target unit on this page. The table below gives common reference values for quick comparison.
Convert other units to Acres
These pages use Acres as the target unit.