A square foot (abbreviated as ft2) is a unit of area measurement equivalent to a square measuring 1 foot on every side. One square foot equals to approximately 0.09 square meters. A square foot is a unit of area used mostly in the imperial and U.S. customary measurement systems.

A square measurement refers to a two dimensional derivative of a linear measure. About 10.76 square feet make 1 square meter. Square footage is one of the most vital consideration in buying or selling a house, because it helps in determining the market value and hence the price of the property. Knowledge of square feet is also important when obtaining estimations from contractors to install new flooring materials or repair of the existing one.