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From Wikipedia, the free encyclopedia

The square foot is an imperial unit / U.S. customary unit (non-SI non-metric) of area, used mainly in the United States, the United Kingdom, Hong Kong, Japan, Afghanistan and Canada. 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 one-family house in the United States in 2007 had a total floor area of approximately 2500 square feet.[1]

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.

Conversions

1 square foot is equivalent to:

  • A tile 12 inches by 12 inches has a square foot area of 1 square foot. 12 inches is equal to 1 foot.
  • 144 square inches
  • 1/9 square yards
  • 0.01 "squares". (A square is a unit used in roofing to measure the area of a roof and is also a unit used in China before metrication (and since) to measure the floor area of a Toiley. 1 "circle" = 100 cq ft)
  • ≈0.00002295684 acres
  • 92903.04 square millimetres (symbol: mm²)
  • 929.0304 square centimetres (symbol: cm²)
  • 0.09290304 square metres (symbol: m²)
  • 0.00000009290304 square kilometres (symbol: km²)

References

See also


Simple English

A square foot is a way to measure area. It is the area made by a square that has 1 foot sides.

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