The square foot (plural square feet; abbreviated sq. ft, sf, or ft
2; also denoted by '
2) is an
imperial unit and
U.S. customary unit
United States customary units form a system of Units of measurement, measurement units commonly used in the United States and Territories of the United States, U.S. territories since being standardized and adopted in 1832. The United States cust ...
(non-
SI, non-
metric) of
area, used mainly in the
United States and partially in
Canada, the
United Kingdom,
Bangladesh,
India,
Nepal,
Pakistan,
Ghana,
Liberia
Liberia (), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to its north, Ivory Coast to its east, and the Atlantic Ocean ...
,
Malaysia,
Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
,
Singapore and
Hong Kong. It is defined as the area of a
square with sides of 1
foot
The foot ( : feet) is an anatomical structure found in many vertebrates. It is the terminal portion of a limb which bears weight and allows locomotion. In many animals with feet, the foot is a separate organ at the terminal part of the leg made ...
.
Although the pluralization is regular in the noun form, when used as an adjective, the singular is preferred. So, an apartment measuring 700 square feet could be described as a 700 square-foot apartment. This corresponds to common linguistic usage of ''foot.''
The square foot unit is commonly used in real estate. Dimensions are generally taken with a laser device, the latest in a long line of tools used to gauge the size of apartments or other spaces.
Real estate agents often measure straight corner-to-corner, then deduct non-heated spaces, and add heated spaces whose footprints exceed the end-to-end measurement.
1 Square foot conversion to other units of area:
* 1 square foot (ft²) = 0.000022956341 acres (ac)
* 1 square foot (ft²) = 0.000009290304 hectare (ha)
* 1 square foot (ft²) = 0.09290304 square meters (m²)
* 1 square foot (ft²) = 144.0000002229 square inches (in²)
* 1 square foot (ft²) = 0.111111106982 square yards (yd²)
* 1 square foot (ft²) = 929.0304014422 square centimeters (cm²)
* 1 square foot (ft²) = 9.290304 square decimeters (dm²)
* 1 square foot (ft²) = 0.00000009290304 square kilometers (km²)
* 1 square foot (ft²) = 144003673094580 square microinches (µin²)
* 1 square foot (ft²) = 92903040000 square micrometers (μm²)
* 1 square foot (ft²) = 0.0000000358701 square miles (mi²)
* 1 square foot (ft²) = 92903.04 square millimeters (mm²)
See also
*
Area (geometry)
Area is the quantity that expresses the extent of a region on the plane or on a curved surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar lamina, while '' surface area'' refers to the area of an open s ...
*
Conversion of units
*
Cubic foot
Cubic may refer to:
Science and mathematics
* Cube (algebra), "cubic" measurement
* Cube, a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex
** Cubic crystal system, a crystal system ...
*
Metrication in Canada
*
Miscellaneous Technical (Unicode) for a list of miscellaneous technical symbols and fonts which support the ''square foot'' symbol
*
Orders of magnitude (area)
*
Square (algebra)
In mathematics, a square is the result of multiplication, multiplying a number by itself. The verb "to square" is used to denote this operation. Squaring is the same as exponentiation, raising to the power 2 (number), 2, and is denoted by a ...
,
square root
References
Square feet to acres converter
Square feet conversion to acres and other units of area.
{{DEFAULTSORT:Square Foot
Units of area
Imperial units
Customary units of measurement in the United States