How many square inches in a square foot?
1 Square foot (ft²) is equal to 144 square inches (in²). 1 Square inch is equal to 0.00694 square foot.
1 Square Foot = 144 Square Inches
1 Square Inch = 0.00694 Square Foot
If you would like to convert from square inches to square feet and also get more information and access the tables please check square inches to square feet converter page.
How to convert from square feet to square inches?
There are 144 square inches in 1 square foot. To convert from square feet to square inches, as a formula multiply the square feet value by 144.
For example, to find out how many square inches there are in a square foot and a half, as a formula to convert from sq. feet to sq. inches, multiply the sq. foot value by 144, that makes 1.5 ft2 * 144 = 216 square inches in 1.5 square feet.
You may also use this area units conversion tool to convert between square feet, square inches and all area measurement units.
How to calculate Square Footage?
To calculate an area in square feet, multiply the length by the width in feet.
Area = Length × Width
For example, to calculate an area of a 10x10 room in feet, multiply 10 by 10, that makes 100 square feet. To calculate the same area in square inches, multiply the result by 144. You may also use the conversion calculator above to calculate the area in both square feet and square inches by entering the length and the width in feet.
What is a Square Foot?
Square foot is an imperial and US Customary area unit and defined as a square with all sides are one foot in length. 1 Square foot is equal to 144 square inches. The symbol is "ft2".
What is a Square Inch?
Square inch is an imperial and US Customary area unit and defined as a square with all sides are one inch in length. 1 Square inch (in²) is equal to 0.00694 square feet (ft²). The symbol is "in2".