Square miles to square feet (mi² to ft²) converter

You can enter a value in either the square miles (mi²) or square feet (ft²) 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 square feet to square feet to square miles.

square miles (mi²)

 

square feet (ft²)

 
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1 mi² = 27878400 ft² 1 ft² = 4.0E-8 mi²

Algebraic Steps / Dimensional Analysis Formula
mi² * 27878400 ft²
1 mi²
= ft²

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

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