Square miles to acres (mi² to acres) converter

You can enter a value in either the square miles (mi²) or acres (acres) input fields. For an understanding of the conversion process, we include algebraic formulas.

See conversions to common Area units and easily switch Area units in the two tabbed section below. Use the search bar above to find additional conversions.

Tip: Click the "Swap" button to switch from converting square miles to acres to acres to square miles.

square miles (mi²)

 

acres

 
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1 mi² = 640 acres 1 acres = 0.0015625 mi²

Algebraic Steps / Dimensional Analysis Formula
mi² * 640 acres
1 mi²
= acres

If you would like to switch between Area units, select from the tables below

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