square foot to square inch Converter

To convert square foot to square inch, multiply the value in square foot by 144.

For example, 1 square foot = 144 square inch.

In reverse, 1 square inch = 0.006944 square foot.

To convert square foot to square inch, enter your value in square foot into the converter above. The tool automatically applies the correct conversion ratio and shows the result in square inch.

This page is useful when you need a fast answer, a quick reference table, or the exact formula for switching between square foot and square inch.