Convert square foot to square inch

Please provide values below to convert square foot [ft^2] to square inch [in^2], or Convert square inch to square foot.




How to Convert Square Foot to Square Inch

1 ft^2 = 144 in^2

Example: convert 15 ft^2 to in^2:
15 ft^2 = 15 Γ— 144 in^2 = 2160 in^2


Square Foot to Square Inch Conversion Table

square foot square inch

Square Foot

A square foot is a unit of area measurement equal to the area of a square with sides of one foot in length.

History/Origin

The square foot has been used historically in the imperial and US customary systems for measuring areas, especially in real estate and construction, dating back to the adoption of the imperial system in the UK and its influence in the US.

Current Use

Today, the square foot is widely used in real estate, architecture, and interior design in the United States and other countries that employ imperial units to measure property sizes, building areas, and land plots.


Square Inch

A square inch is a unit of area measurement equal to the area of a square with sides of one inch.

History/Origin

The square inch has been used historically in the imperial and US customary systems for measuring small areas, especially in engineering, manufacturing, and real estate, dating back to the adoption of the inch as a standard unit of length.

Current Use

Today, the square inch is still used in various fields such as printing, screen sizes, and material measurements, although the square meter is more common internationally. It remains a standard unit within the 'Area' converter in measurement tools and applications.