ft² to in²
39 unitsResult1.440000e+2
144in²
1 ft² × 144 = 144 in²
Convert Square foot to Square inch (ft² to in²)
1 square foot = 144 square inch. Convert square foots to square inch instantly, with the exact factor, the formula and a reference table of common values.
Formula
square inch = square foots × 144
ft² to in² conversion table
| ft² | in² |
|---|---|
| 1 ft² | 144 in² |
| 2 ft² | 288 in² |
| 3 ft² | 432 in² |
| 5 ft² | 720 in² |
| 10 ft² | 1440 in² |
| 20 ft² | 2880 in² |
| 50 ft² | 7200 in² |
| 100 ft² | 14400 in² |
| 250 ft² | 36000 in² |
| 500 ft² | 72000 in² |
| 1000 ft² | 144000 in² |
What is a square foot?
A square foot is a square one foot on each side: 0.09290304 square meters, or 144 square inches.
It is the standard unit of American real estate. Homes, apartments and offices in the US are advertised by their floor area in square feet, and a comfortable two-bedroom apartment might be around 900 of them.
In writing, the square foot is usually shortened to "ft²". One square foot is 0.09290304 square meters, and that ratio is what every number on this page is built from.