Square Miles to Square Feet Conversion

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Enter Square Mile
Enter Square Foot
Calculate Area
mi
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mi

How many square feet in a square mile?

1 Square mile (mi²) is equal to 27878400 square feet (ft²). To convert square miles to square feet, multiply the square mile value by 27878400.

For example, to find out how many square feet in a square mile and a half, multiply 1.5 by 27878400, that makes 41817600 square feet in a square mile and a half.

square miles to square feet formula

ft² = mi² * 27878400

1 Square Mile = 27878400 Square Feet

What is Square Mile?

Square mile is an imperial and United States Customary systems area unit and defined as a square with all sides are one mile in length. 1 mi2 = 27878400 ft2. The symbol is "mi²".

You may also use area conversion to convert all area units.

Create Conversion Table
Click "Create Table". Enter a "Start" value (5, 100 etc). Select an "Increment" value (0.01, 5 etc) and select "Accuracy" to round the result.