# Square Miles and Square Feet Converter

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Use this calculator to convert square miles (mi²) to square feet (ft²) and square feet to square miles. This converter is part of the full area converter tool.

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## Square Miles to Square Feet Conversions

Square Miles Square Feet
1 square mile 27878400 square feet
2 square miles 55756800 square feet
3 square miles 83635200 square feet
4 square miles 111513600 square feet
5 square miles 139392000 square feet
6 square miles 167270400 square feet
7 square miles 195148800 square feet
8 square miles 223027200 square feet
9 square miles 250905600 square feet
10 square miles 278784000 square feet
11 square miles 306662400 square feet
12 square miles 334540800 square feet
13 square miles 362419200 square feet
14 square miles 390297600 square feet
15 square miles 418176000 square feet
16 square miles 446054400 square feet
17 square miles 473932800 square feet
18 square miles 501811200 square feet
19 square miles 529689600 square feet
20 square miles 557568000 square feet
Figures rounded to a maximum of 5 decimal places (7 with smaller numbers).

### How many square feet are there in 1 square mile?

There are 27878400 square feet in 1 square mile. To convert from square miles to square feet, multiply your figure by 27878400 .

### What is a square foot?

The square foot is used as a form of measurement within Canada and the United States. It can be adopted to describe the amount of floor space (for real estate) or the overall size of an exterior property. Architects will also refer to square feet when designing new buildings. One square foot is a bit smaller than an average-sized piece of A4 printer paper. One square foot can be translated to 0.092 square metres. Sometimes, the force of the modern hydraulic press is measured in pounds per square inch or square foot.

### What is a square mile?

Used within the United States and many other parts of the world, the square mile is one of the most common forms of measuring the area of land. It is defined as a square whose sides are each equivalent to one mile in length. One square mile is the same size as 2.59 square kilometers. There are 640 acres found within one square mile. One acre is somewhat approximated to the size of a football pitch. Aerial mapping, satellite imagery and global positioning systems will often employ square miles.