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The square foot is an imperial unit / U.S. customary unit (non-SI non-metric) of area, used mainly in the United States and United Kingdom. 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:## Conversions

1 square foot is equivalent to:## Historical Use

Before metrication, the square foot was in use throughout Europe, as part of the traditional system of measurement, which showed considerable local variation. Some examples below:## References

## See also

- square feet, square foot, square ft
- sq feet, sq foot, sq ft, SF
- feet/-2, foot/-2, ft/-2
- feet^2, foot^2, ft^2
- feet², foot², ft²
- the equation is length times width.

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:

1 inch = 2.54 centimetres

1 square metre = 10.764 square feet

- A block 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 Australia before metrication (and since) to measure the floor area of a house. 1 "square" = 100 sq ft)
- ≈0.00002295684 acres
- 92 903.04 square millimetres
- 929.0304 square centimetres
- 0.09290304 square metres
- 0.000000092903040 square kilometres

- Bavarian square foot = 0.0864751 m²
- Prussian square foot = 0.098504 m²
- Viennese square foot = 0.099921 m²
- Parisian square foot = 0.105521 m²

- 1 E-1 m² for a comparison with other areas
- Cubic foot
- Orders of magnitude (area)
- Conversion of units
- Area (geometry)
- Square (algebra), square root
- Miscellaneous Technical (Unicode) for a list of miscellaneous technical symbols and fonts which support the square foot symbol

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Last updated on Monday October 06, 2008 at 20:35:05 PDT (GMT -0700)

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This article is licensed under the GNU Free Documentation License.

Last updated on Monday October 06, 2008 at 20:35:05 PDT (GMT -0700)

View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation

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