A square foot (sq ft or ft²) is a unit of area commonly used in the United States and some other countries that use the imperial system of measurements. It is defined as the area of a square with sides that each measure one foot (12 inches) in length.
In terms of square meters, one square foot is approximately equal to 0.092903 square meters.
Square feet are frequently used to measure the area of rooms in houses, apartments, and other real estate properties. They are also used for various purposes in construction, architecture, and interior design.