Square Feet to Square Inches Converter
How many square inches in 1 square foot?
To convert any value in square feet to square inches, just multiply the value in square feet by the conversion factor 144. So, 1 square foot times 144 is equal to 144 square inches. See details below and use our calculator to convert any value in square feet to square inches.
To use this square feet to square inches converter, simply type the square foot value in the box at left (input). The conversion result in square inch will immediately appear in the box at right.