Convert square feet to square inches. Live result, plus a quick-reference table for common values.
Multiply the square foot value by 144. So 1 square foot = 144 in², and the calculator above does it instantly for any number.
There are 144 square inches in one square foot. The reference table shows the conversion for common values.
Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.