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Square foot

The square foot (; abbreviated sq ft, sf, or ft<sup>2</sup>; also denoted by ´<sup><sup>2</sup></sup> 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. 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. 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 (ft<sup>2</sup>) = 0.0000000358701 square miles (mi<sup>2</sup>)
  • 1 square foot (ft<sup>2</sup>) = 0.000022956341 acres (ac)
  • 1 square foot (ft<sup>2</sup>) = 0.111111111111 square yards (yd<sup>2</sup>)
  • 1 square foot (ft<sup>2</sup>) = 144 square inches (in<sup>2</sup>)
  • 1 square foot (ft<sup>2</sup>) = 144,000,000,000,000 square microinches (μin<sup>2</sup>)
  • 1 square foot (ft<sup>2</sup>) = 0.00000009290304 square kilometers (km<sup>2</sup>)
  • 1 square foot (ft<sup>2</sup>) = 0.000009290304 hectare (ha)
  • 1 square foot (ft<sup>2</sup>) = 0.09290304 square meters (m<sup>2</sup>)
  • 1 square foot (ft<sup>2</sup>) = 9.290304 square decimeters (dm<sup>2</sup>) (uncommon)
  • 1 square foot (ft<sup>2</sup>) = 929.0304 square centimeters (cm<sup>2</sup>)
  • 1 square foot (ft<sup>2</sup>) = 92,903.04 square millimeters (mm<sup>2</sup>)
  • 1 square foot (ft<sup>2</sup>) = 92,903,040,000 square micrometers (μm<sup>2</sup>)

See also

References

External links