Square Foot - Wikipedia

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Appearance move to sidebar hide From Wikipedia, the free encyclopedia Imperial unit and U.S. customary unit of area

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: "Square foot" – news · newspapers · books · scholar · JSTOR (February 2020) (Learn how and when to remove this message)

square foot
Unit system	Imperial, United States customary units
Unit of	area
Symbol	ft2, sq ft
Conversions
1 ft2 in ...	... is equal to ...
Imperial/US	144 sq in ⁠1/9⁠ sq yd
SI units	929.0304 cm2 0.0929 m2

The square foot (pl. square feet; abbreviated sq ft, sf, or ft2; also denoted by ´2 and ⏍) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States, Canada, the United Kingdom, Bangladesh, India, Nepal, Pakistan, Ghana, Liberia, Malaysia, Myanmar, Singapore and Hong Kong.[citation needed] It is defined as the area of a square with sides of 1 foot.

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.[citation needed] This corresponds to common linguistic usage of foot.

The square foot unit is commonly used in real estate.[1] Dimensions are generally taken with a laser device, the latest in a long line of tools used to gauge the size of apartments[2] 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.[3]

1 square foot conversion to other units of area:

• 1 square foot (ft2) = 0.0000000358701 square miles (mi2)
• 1 square foot (ft2) = 0.000022956341 acres (ac)
• 1 square foot (ft2) = 0.111111111111 square yards (yd2)
• 1 square foot (ft2) = 144 square inches (in2)
• 1 square foot (ft2) = 144,000,000,000,000 square microinches (μin2)

• 1 square foot (ft2) = 0.00000009290304 square kilometers (km2)
• 1 square foot (ft2) = 0.000009290304 hectare (ha)
• 1 square foot (ft2) = 0.09290304 square meters (m2)
• 1 square foot (ft2) = 9.290304 square decimeters (dm2) (uncommon)
• 1 square foot (ft2) = 929.0304 square centimeters (cm2)
• 1 square foot (ft2) = 92,903.04 square millimeters (mm2)
• 1 square foot (ft2) = 92,903,040,000 square micrometers (μm2)

See also

[edit]

• Area (geometry)
• Conversion of units
• Cubic foot
• 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), square root

References

[edit]

1. ^ "How to Find the Square Feet of Your Office Space". SquareFoot Blog. 2020-01-06. Retrieved 2020-01-14.
2. ^ Santora, Marc (2010-12-17). "The Elusive Measure Known as the Square Foot". The New York Times. ISSN 0362-4331. Retrieved 2020-01-14.
3. ^ "Square Foot Calculator | How to Measure Square Feet". Home Improvement Tips & Advice from HomeAdvisor. 2016-01-04. Retrieved 2020-01-14.

External links

[edit]

• Square feet conversion to acres and other units of area
• Square Foot Calculator

v t e Imperial units
Comparison with US customary system
Length	Twip Thousandth of an inch Barleycorn Inch Hand Link Foot Yard Fathom Rod Chain Gunter's chain Furlong Cable Mile Nautical mile League
Area	Square inch Square foot Square yard Perch Rood Acre Square mile
Volume	Derived Cubic inch Cubic foot Hoppus Cubic yard Cubic mile Tmcft Cooking Teaspoon Tablespoon Fluid ounce Cup Pint Quart Trade gallon Gallon Other Chaldron Minim Gill Fluid Scruple Fluid Drachm Peck Bushel Barrel Stuck Hogshead
Speed	Miles per hour
Mass	Grain Drachm Ounce Pound (mass) Stone Quarter Slug Long hundred Hundredweight Ship load Ton
Pressure	Ksi Pounds per square inch
Other units and measures	British thermal unit Degree Fahrenheit Rankine Foot-candle Foot-pound Foot-poundal Horsepower Horsepower-hour Kenning Pound (force) Pound-foot Poundal Span
Related systems	Avoirdupois system English units Winchester Exchequer English Engineering units Foot–pound–second system (FPS) Twenty-foot equivalent unit

v t e United States customary units
Comparison with imperial unit system
Length	Thousandth of an inch Inch Hand Link Foot Yard Rod Chain Furlong Mile Statute mile
Area	Square inch Square foot Square yard Acre Square mile
Volume	Derived Cubic inch Cubic foot Cubic yard Cubic mile Cooking Teaspoon Tablespoon Fluid ounce Cup Pint Quart Gallon Wood Board foot Cord Face cord Other Minim Gill Peck Bushel Barrel Acre-foot
Speed	Foot per second Miles per hour
Mass	Grain Dram Ounce Pound Hundredweight Ton Long Short
Force	Poundal Pound-force Kip
Pressure	Inch of mercury Pound per square inch Kilopound per square inch
Other units and measures	Bolt (cloth) British thermal unit Degree (angle) Fahrenheit Foot-candle Foot-lambert Foot-pound (energy) Horsepower Perm Pound-foot (torque) Ton of refrigeration
Related systems	American wire gauge Avoirdupois system Body jewelry sizes English Engineering Units Foot–pound–second system of units

Retrieved from "https://en.wikipedia.org/w/index.php?title=Square_foot&oldid=1337046560" Categories:

• Units of area
• Imperial units
• Customary units of measurement in the United States

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