1 square foot = 144 square inches. To convert square feet to square inches, multiply by 144. To convert square inches back to square feet, multiply by 0.006944.
1 Square feet (sq ft) = 144 Square inch (sq in)
Square foot to square inches formula
Square inches = square feet × 144
Example: 5 square feet = 5 × 144 = 720 square inches.
Square foot to square inches conversion table
| Square feet | Square inches |
|---|---|
| 1 | 144 |
| 2 | 288 |
| 3 | 432 |
| 4 | 576 |
| 5 | 720 |
| 10 | 1,440 |
| 15 | 2,160 |
| 20 | 2,880 |
| 25 | 3,600 |
| 50 | 7,200 |
| 100 | 14,400 |
Where these units are used
Square feet is the standard unit for flats, offices and shops in India. RERA requires builders to state carpet area.
Related converters
- Land area converter (all units)
- Square metre to square feet
- Acre to square feet
- Hectare to acre
- Bigha to square feet
- Gaj to square feet
- Guntha to square feet
- Cent to square feet
Frequently asked questions
How many square inches are in 1 square foot?
1 square foot is 144 square inches.
How do I convert square feet to square inches?
Multiply the number of square feet by 144. For example, 5 square feet = 720 square inches.
How many square feet make 1 square inch?
1 square inch is 0.006944 square feet.
