Square Miles to Square Feet Converter
Enter the area in square miles below to get the value converted to square feet.
Do you want to convert square feet to square miles?
How to Convert Square Miles to Square Feet
To convert a measurement in square miles to a measurement in square feet, multiply the area by the following conversion ratio: 27,878,399.996383 square feet/square mile.
Since one square mile is equal to 27,878,399.996383 square feet, you can use this simple formula to convert:
The area in square feet is equal to the area in square miles multiplied by 27,878,399.996383.

How Many Square Feet Are in a Square Mile?
There are 27,878,399.996383 square feet in a square mile, which is why we use this value in the formula above.
1 sq mi = 27,878,399.996383 sq ft
Square miles and square feet are both units used to measure area. Keep reading to learn more about each unit of measure.
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.
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.
Square Mile to Square Foot Conversion Table
Square Miles | Square Feet |
---|---|
0.0000001 sq mi | 2.7878 sq ft |
0.0000002 sq mi | 5.5757 sq ft |
0.0000003 sq mi | 8.3635 sq ft |
0.0000004 sq mi | 11.15 sq ft |
0.0000005 sq mi | 13.94 sq ft |
0.0000006 sq mi | 16.73 sq ft |
0.0000007 sq mi | 19.51 sq ft |
0.0000008 sq mi | 22.3 sq ft |
0.0000009 sq mi | 25.09 sq ft |
0.00000001 sq mi | 0.278784 sq ft |
0.0000001 sq mi | 2.7878 sq ft |
0.000001 sq mi | 27.88 sq ft |
0.00001 sq mi | 278.78 sq ft |
0.0001 sq mi | 2,788 sq ft |
0.001 sq mi | 27,878 sq ft |
0.01 sq mi | 278,784 sq ft |
0.1 sq mi | 2,787,840 sq ft |
1 sq mi | 27,878,400 sq ft |
References
- Merriam-Webster, square foot, https://www.merriam-webster.com/dictionary/square%20foot
More Square Mile & Square Foot Conversions
- square miles to acres
- square miles to square yards
- square miles to square inches
- square miles to square kilometers
- square miles to square meters
- square miles to square centimeters
- square miles to square millimeters
- square miles to hectares
- square miles to ares
- acres to square feet
- square yards to square feet
- square inches to square feet
- square kilometers to square feet
- square meters to square feet
- square centimeters to square feet
- square millimeters to square feet
- hectares to square feet
- ares to square feet