Square Foot to Square Mile Converter

How to convert square feet to square miles?

To convert square feet to square miles, you can use the following conversion factor: **1 mi² = 27,878,400 ft²**. Simply multiply by 4e-8 to get the equivalent area in square miles.

A_(mi²) = A_(ft²) × 4e-8

Example

Convert 100 ft² to square miles:

A_(mi²) = 100ft² × 4e-8 = 0.000004mi²

How many square miles in a square foot?

1 ft² = 4e-8 mi²

1 ft² = 4e-8 mi²

How many square feet in a square mile?

1 mi² = 27,878,400 ft²

1 mi² = 27,878,400 ft²

What is a Square Foot?

A square foot (ft²) is a unit of area used primarily in the United States and other countries that follow the imperial system. It is defined as the area of a square with sides of one foot. Square feet are commonly used to measure the area of rooms, houses, apartments, and commercial spaces.

What is a Square Mile?

A square mile (mi²) is a unit of area in the imperial system equal to the area of a square with sides of one mile. It equals 640 acres or approximately 2.59 square kilometers. Square miles are commonly used to measure large land areas, particularly in the United States.

Popular square foot to square mile conversion table