WebToolsArea

Square Miles to Acres Converter

Convert square miles (mi²) to acres (ac) instantly with precise calculations

Square Miles to Acres Converter

About Square Miles to Acres Conversion

Converting square miles to acres is essential for large land measurements and geographic calculations. One square mile equals exactly 640 acres, making it a straightforward conversion for large properties.

Conversion Formula

Acres = Square Miles × 640

Common Square Miles to Acres Conversions

0.25 mi²
160 acres
0.5 mi²
320 acres
1 mi²
640 acres
2 mi²
1,280 acres

When to Convert Square Miles to Acres

  • Breaking down large geographic areas into manageable units
  • Real estate development and subdivision planning
  • Agricultural land distribution and management
  • Government land allocation and zoning