Square inches (in²) to Square feet (ft²) Conversion
Square inches
The square inch is a unit of area equal to exactly 6.4516 cm² (the square of 2.54 cm). It is used in engineering for specifying material cross-sections, pressure calculations (pounds per square inch = psi), and the dimensions of small components. Tile and flooring materials in the United States are sometimes measured in square inches for small-format tiles.
Square feet
The square foot is a unit of area equal to exactly 0.09290304 square metres (the square of 0.3048 m). It is the primary unit for measuring floor area and property size in the United States and United Kingdom, and appears in real estate listings, construction blueprints, and rental agreements. Average apartment sizes in the US are commonly described in square feet, where a studio apartment might be 400–600 ft².
| Square inches (in²) | Square feet (ft²) |
|---|---|
| 0.1 in² | 0.00069444444444444 ft² |
| 1 in² | 0.0069444444444444 ft² |
| 2 in² | 0.013888888888889 ft² |
| 3 in² | 0.020833333333333 ft² |
| 5 in² | 0.034722222222222 ft² |
| 10 in² | 0.069444444444444 ft² |
| 20 in² | 0.13888888888889 ft² |
| 30 in² | 0.20833333333333 ft² |
| 50 in² | 0.34722222222222 ft² |
| 100 in² | 0.69444444444444 ft² |
| 1000 in² | 6.9444444444444 ft² |