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 | 0.000694 ft² |
| 1 in² | 0.00694 ft² |
| 2 in² | 0.0139 ft² |
| 3 in² | 0.0208 ft² |
| 5 in² | 0.0347 ft² |
| 10 in² | 0.0694 ft² |
| 20 in² | 0.1389 ft² |
| 30 in² | 0.2083 ft² |
| 50 in² | 0.3472 ft² |
| 100 in² | 0.6944 ft² |
| 1000 in² | 6.9444 ft² |
Frequently Asked Questions (FAQ)
How many square feet are in 1 square inches?
1 square inches (in²) is exactly 0.006944 square feet (ft²).
How do I convert square inches to square feet?
Multiply the value in square inches by 0.006944 to get the result in square feet. Or use the converter above — type any number and see the result instantly.