How to convert square feet to square inches
Formula: in² = ft² × 144
Worked example: 1,500 ft² → 1,500 × 144 = 216,000 in²
Square feet to square inches conversion chart
| Square feet (ft²) | Square inches (in²) |
|---|---|
| 10 ft² | 1,440 in² |
| 25 ft² | 3,600 in² |
| 50 ft² | 7,200 in² |
| 100 ft² | 14,400 in² |
| 150 ft² | 21,600 in² |
| 200 ft² | 28,800 in² |
| 250 ft² | 36,000 in² |
| 300 ft² | 43,200 in² |
| 400 ft² | 57,600 in² |
| 500 ft² | 72,000 in² |
| 750 ft² | 108,000 in² |
| 1,000 ft² | 144,000 in² |
| 1,200 ft² | 172,800 in² |
| 1,500 ft² | 216,000 in² |
| 1,800 ft² | 259,200 in² |
| 2,000 ft² | 288,000 in² |
| 2,500 ft² | 360,000 in² |
| 3,000 ft² | 432,000 in² |
| 4,000 ft² | 576,000 in² |
| 5,000 ft² | 720,000 in² |
| 10,000 ft² | 1,440,000 in² |
What is a square foot?
The square foot is the area of a square one foot on each side, exactly 0.09290304 m². It is the US unit for home sizes, rents, flooring, drywall and paint coverage. Listings often abbreviate it as sq ft or SF.
What is a square inch?
The square inch is the area of a square one inch on each side, exactly 6.4516 cm². It shows up in tile and screen areas, printing and in pressure units such as pounds per square inch (psi).