How many square inches in a square foot?
There are 144 square inches in a square foot. 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.
square feet to square inches formula
in² = ft² * 144
1 Square Foot = 144 Square Inches
What is Square Foot?
Square foot is an imperial and US Customary area unit. 1 ft2 = 144 in2. The symbol is "ft²".
You may also use area conversion to convert all area units.