square feet to square inches
Convert square foot to square inch — instant, free, with the formula shown.
1 ft²=144 in²
How to convert square foot to square inch
To convert square foot to square inch, multiply by 144:
in² = ft² × 144
For example, 10 ft² × 144 = 1440 in².
ft² to in² conversion table
| square feet (ft²) | square inches (in²) |
|---|---|
| 1 ft² | 144 in² |
| 2 ft² | 288 in² |
| 5 ft² | 720 in² |
| 10 ft² | 1440 in² |
| 25 ft² | 3600 in² |
| 50 ft² | 7200 in² |
| 100 ft² | 14400 in² |
| 250 ft² | 36000 in² |
| 500 ft² | 72000 in² |
| 1000 ft² | 144000 in² |
Other square foot conversions
Convert to square inch from another unit
ft² to in² — frequently asked
How many square inches are in 1 square foot?
1 square foot = 144 square inches (ft² × 144 = in²).
What is the formula to convert square foot to square inch?
Multiply your square foot value by 144 to get square inch.
How do I convert 10 square feet to square inches?
10 ft² = 1440 in². For 100 ft² the answer is 14400 in². Use the calculator on this page for any other value.