The square foot (plural square feet; abbreviated ft² or sq ft) is an imperial unit and U.S. customary unit (non-SI non-metric) of area, used mainly in the United States, Canada, United Kingdom, Hong Kong, Bangladesh, India, Pakistan and Afghanistan. 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. For comparison, the average new one-family house in the United States in 2007 had a total floor area of approximately 2500 square feet (15 x 15 m).
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 vertical line bisecting it. It is also occasionally written as a square with a slash through it.
Read more about Square Foot: Conversions
Famous quotes containing the words square and/or foot:
“After the planet becomes theirs, many millions of years will have to pass before a beetle particularly loved by God, at the end of its calculations will find written on a sheet of paper in letters of fire that energy is equal to the mass multiplied by the square of the velocity of light. The new kings of the world will live tranquilly for a long time, confining themselves to devouring each other and being parasites among each other on a cottage industry scale.”
—Primo Levi (1919–1987)
“A foot can be too long and an inch can be long enough.”
—Chinese proverb.