How many square inches in a square foot?
1 Square foot (ft²) is equal to 144 square inches (in²). To convert square feet to square inches, multiply the square foot value by 144.
For example, to find out how many square inches in a square foot and a half, multiply 1.5 by 144, that makes 216 square inches in a square foot and a half.
1 Square Foot = 144 Square Inches
How many square feet in a square inch?
1 Square inch (in²) is equal to 0.00694 square foot (ft²). To convert square inches to square feet, multiply the square inch value by 0.00694 or divide by 144.
1 Square Inch = 0.00694 Square Foot
You may also use this area units conversion calculator 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 square foot calculator above to calculate the area in square feet and convert into square inches by entering the length and the width in foot.
What is 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 ft2 = 144 in2. The symbol is "ft²".
What is 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 in2 = 0.00694 ft2. The symbol is "in²".