Square Feet to Square Miles Converter
Enter the area in square feet below to convert it to square miles.
Result in Square Miles:
Do you want to convert square miles to square feet?
How to Convert Square Feet to Square Miles
To convert a measurement in square feet to a measurement in square miles, divide the area by the following conversion ratio: 27,878,400 square feet/square mile.
Since one square mile is equal to 27,878,400 square feet, you can use this simple formula to convert:
square miles = square feet ÷ 27,878,400
The area in square miles is equal to the area in square feet divided by 27,878,400.
![conversion scale showing square feet and equivalent square miles area values](https://www.inchcalculator.com/a/img/unit-conversion/square-mile-to-square-foot-conversion-scale.png)
Square feet and square miles are both units used to measure area. Keep reading to learn more about each unit of measure.
What Is a Square Foot?
One square foot is equivalent to the area of a square with sides that are each 1 foot in length.[1] One square foot is equal to 144 square inches or 0.092903 square meters .
The square foot is a US customary and imperial unit of area. A square foot is sometimes also referred to as a square ft. Square feet can be abbreviated as sq ft, and are also sometimes abbreviated as ft². For example, 1 square foot can be written as 1 sq ft or 1 ft².
You can use a square footage calculator to calculate the area of a space if you know its dimensions.
Learn more about square feet.
What Is a Square Mile?
One square mile is equal to the area of a square with sides that are each 1 mile long. One square mile is roughly equal to 2.59 square kilometers or 640 acres.
The square mile is a US customary and imperial unit of area. Square miles can be abbreviated as sq mi, and are also sometimes abbreviated as mi². For example, 1 square mile can be written as 1 sq mi or 1 mi².
Learn more about square miles.
Square Foot to Square Mile Conversion Table
Square Feet | Square Miles |
---|---|
1 sq ft | 0.00000003587 sq mi |
2 sq ft | 0.00000007174 sq mi |
3 sq ft | 0.00000010761 sq mi |
4 sq ft | 0.00000014348 sq mi |
5 sq ft | 0.00000017935 sq mi |
6 sq ft | 0.00000021522 sq mi |
7 sq ft | 0.00000025109 sq mi |
8 sq ft | 0.00000028696 sq mi |
9 sq ft | 0.00000032283 sq mi |
10 sq ft | 0.0000003587 sq mi |
100 sq ft | 0.000003587 sq mi |
1,000 sq ft | 0.00003587 sq mi |
10,000 sq ft | 0.000359 sq mi |
100,000 sq ft | 0.003587 sq mi |
1,000,000 sq ft | 0.03587 sq mi |
10,000,000 sq ft | 0.358701 sq mi |
100,000,000 sq ft | 3.587 sq mi |
References
- Merriam-Webster, square foot, https://www.merriam-webster.com/dictionary/square%20foot
More Square Foot & Square Mile Conversions
- square feet to acres
- square feet to square yards
- square feet to square inches
- square feet to square kilometers
- square feet to square meters
- square feet to square centimeters
- square feet to square millimeters
- square feet to hectares
- square feet to ares
- acres to square miles
- square yards to square miles
- square inches to square miles
- square kilometers to square miles
- square meters to square miles
- square centimeters to square miles
- square millimeters to square miles
- hectares to square miles
- ares to square miles