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The square foot is an Imperial unit / U.S. customary unit (non-SI non-metric) of area, used in the United States, United Kingdom and elsewhere. It is defined as the area of a square with sides of 1 foot (0.333... yards, 12 inches, or 0.3048 metres) in length.
Symbols There is no universally agreed symbol but the following are used: A symbol for square foot, square feet, and “per square foot” commonly used in architecture, real estate and interior space plans is a simple square with a slash through it. It is also occasionally written as a square with a vertical line bisecting it. Conversions 1 square foot is equivalent to: See also | ||||||||
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