How many square feet are in 1 square inch?

1 square inch equals 0.00694444 ft².

How do I convert square feet back to square inches?

Use the reverse converter: 1 square foot equals 144 in².

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert square inches to square feet, multiply the value by 0.00694444444.

ft² = in² × 0.00694444444

40 in² × 0.00694444444 = 0.2778 ft²

Square Inch (in²): Used in the US for small areas and pressure (psi). Exactly 6.4516 square centimetres.
Square Foot (ft²): Used for homes and property in the US and UK. Exactly 0.09290304 square metres.

How do I convert square inches to square feet?: To convert square inches to square feet, multiply the value by 0.00694444444.
How many square feet are in 1 square inch?: 1 square inch equals 0.00694444 ft².
How many square feet are in 10 square inches?: 10 in² equals 0.0694444 ft².
How do I convert square feet back to square inches?: Use the reverse converter: 1 square foot equals 144 in².
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.