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Information about Square Feet

For other uses, see Square.
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:
  • 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. If your browser is up to it, you may see it here: ⏍

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

1. ^ Das Hauslexikon, vol. VI, Leipzig: Breitkopf und Härtel 1837, p. 596

See also

Square may mean:

Entertainment

  • Square (album), an album by Buck 65
  • Square (band), a musical trio from Lincoln, Nebraska
  • Square Enix, a video game company
  • Square Co.

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Imperial units or the Imperial system is a collection of units, first defined in the British Weights and Measures Act of 1824, later refined (until 1959) and reduced.
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U.S. customary units, also known in the United States as English units[1] (but see English unit) or standard units, are units of measurement that are currently used in the USA, in some cases alongside units from SI (the International System of Units
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Si, si, or SI may refer to (all SI unless otherwise stated):

In language:
  • One of two Italian words:
  • sì (accented) for "yes"
  • si

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Area is a physical quantity expressing the size of a part of a surface. The term Surface area is the summation of the areas of the exposed sides of an object.

Units

Units for measuring surface area include:
square metre = SI derived unit

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Motto
"In God We Trust"   (since 1956)
"E Pluribus Unum"   ("From Many, One"; Latin, traditional)
Anthem
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Motto
"Dieu et mon droit" [2]   (French)
"God and my right"
Anthem
"God Save the Queen" [3]
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In plane (Euclidean) geometry, a square is circle with four sides.

Classification

A square is a regular quadrilateral. Likewise it is also a special case of a rhombus, kite, parallelogram, and trapezoid.
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1 foot =
SI units
0 m 0 mm
US customary / Imperial units
0 yd 0 in
A foot (plural: feet or foot;[1] symbol or abbreviation: ft or, sometimes, ′
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1 yard =
SI units
0 m 0 mm
US customary / Imperial units
0 ft 0 in
A yard (abbreviation: yd) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customary
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1 inch =
SI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 010−3 yd


An inch (plural: inches; symbol or abbreviation: in or, sometimes,  
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1 metre =
SI units
1000 mm 0 cm
US customary / Imperial units
0 ft 0 in
The metre or meter[1](symbol: m) is the fundamental unit of length in the International System of Units (SI).
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Length is the long dimension of any object. The length of a thing is the distance between its ends, its linear extent as measured from end to end. This may be distinguished from height, which is vertical extent, and width or breadth
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For other uses, see square.
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch.
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The square yard is an imperial/US customary (non-metric) unit of area, formerly used in most of the English-speaking world but now generally replaced by the square metre outside of the US.
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For other uses, see Square.
The square is an Imperial unit / (non-SI non-metric) of floor area, that was used in the past in Australia. It is defined as the area under the roof of the building and each square is 100 sq feet or 10 foot by 10 foot.
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Anthem
Advance Australia Fair [1]


Capital Canberra

Largest city Sydney
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acre is a unit of area in a number of different systems, including the imperial and US customary systems. The most commonly used acres today are the international acre and, in the United States, the survey acre.

One acre comprises 4,840 square yards or 43,560 square feet.
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square metre (also spelled meter, see spelling differences) is the SI derived unit of area, with symbol m². It is defined as the area of a square whose sides measure exactly one metre.
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square metre (also spelled meter, see spelling differences) is the SI derived unit of area, with symbol m². It is defined as the area of a square whose sides measure exactly one metre.
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square metre (also spelled meter, see spelling differences) is the SI derived unit of area, with symbol m². It is defined as the area of a square whose sides measure exactly one metre.
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Square kilometre (U.S. spelling: square kilometer), symbol km², is a decimal multiple of the SI unit of surface area, the square metre, one of the SI derived units. 1 km² is equal to:
  • 1,000,000 m²
  • 100 ha (hectare)
Conversely:
  • 1 m² = 0.

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Metrication (or metrification) refers to the introduction of the SI metric system as the international standard for physical measurements—a long-term series of independent and systematic conversions from the various separate local systems of weights and measures.
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common units, but have now been mostly replaced by the metric system in commercial, scientific, and industrial applications.

Contrarily, however, U.S. customary units are still the main system of measurement in the United States.
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Freistaat Bayern
Free State of Bavaria
Flag Coat of arms

Details
Location

Coordinates
Time zone CET/CEST (UTC+1/+2)
Administration
Country
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Prussia (German: (help info ) [1]; Latin: Borussia, Prutenia; Latvian: Prūsija
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Vienna (German: Wien [viːn], see also ) is the capital of Austria, and also one of the nine States of Austria. Vienna is Austria's primate city; with a population of about 1.
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Ville de Paris

City flag City coat of arms

Motto: Fluctuat nec mergitur
(Latin: "Tossed by the waves, she does not sink")

The Eiffel Tower in Paris, as seen from the esplanade du Trocadéro.
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18th century - 19th century - 20th century
1800s  1810s  1820s  - 1830s -  1840s  1850s  1860s
1834 1835 1836 - 1837 - 1838 1839 1840

:
Subjects:     Archaeology - Architecture -
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