Convert Square Foot to Square Inch
Instant area conversion, with the formula and a full reference table.
1 ft²
144 in²
1 in² = 0.00694444 ft²
How to convert Square Foot to Square Inch
Multiply the number of square foot by 144.
in² = ft² × 144
To go the other way, divide instead — or multiply by 0.00694444.
Worked example
To convert 25 ft²: 25 × 144 = 3,600 in².
Square Foot to Square Inch conversion table
| Square Foot (ft²) | Square Inch (in²) |
|---|---|
| 1 | 144 |
| 2 | 288 |
| 3 | 432 |
| 5 | 720 |
| 10 | 1,440 |
| 20 | 2,880 |
| 25 | 3,600 |
| 50 | 7,200 |
| 100 | 14,400 |
| 250 | 36,000 |
| 500 | 72,000 |
| 1,000 | 144,000 |