 # 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.

Disclaimer: Whilst every effort has been made in building this calculator, we are not to be held liable for any damages or monetary losses arising out of or in connection with the use of it. This tool is here purely as a service to you, please use it at your own risk. Full disclaimer. Do not use calculations for anything where loss of life, money, property, etc could result from inaccurate calculations.

## Converting square feet and square miles

In the conversion tables below, figures are rounded to a maximum of 5 decimal places (7 with smaller numbers) to give approximations.

Square Miles to Square Feet Conversion Table
Square Miles Square Feet

### How many square miles are there in 1 square foot?

There are 3.5870064279155E-8 square miles in 1 square foot. To convert from square feet to square miles, divide your figure by 27878400 .

### 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.