Convert square foot (US survey) to acre
Please provide values below to convert square foot (US survey) [ft^2 (US)] to acre [ac], or Convert acre to square foot (US survey).
How to Convert Square Foot (Us Survey) to Acre
1 ft^2 (US) = 2.29569329630191e-05 ac
Example: convert 15 ft^2 (US) to ac:
15 ft^2 (US) = 15 × 2.29569329630191e-05 ac = 0.000344353994445286 ac
Square Foot (Us Survey) to Acre Conversion Table
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Square Foot (Us Survey)
A square foot (US survey) is a unit of area equal to the area of a square with sides measuring one foot, primarily used in land measurement and real estate in the United States.
History/Origin
The square foot originated from the foot as a unit of length, which has been used since ancient times. Its application as an area measurement became standardized in the United States for land and property measurements in the 19th and 20th centuries.
Current Use
Today, the square foot (US survey) is widely used in real estate, construction, and land surveying within the United States to measure property sizes, building areas, and land plots.
Acre
An acre is a unit of area commonly used in the United States and the UK, equal to 43,560 square feet or approximately 4,047 square meters.
History/Origin
The acre originated in medieval England as a measure of land area that could be plowed in one day with a yoke of oxen. It was standardized in the 19th century and has since been used primarily for measuring land, especially in agriculture.
Current Use
Today, the acre is primarily used in real estate, agriculture, and land planning in the United States, the UK, and other countries that use imperial or customary units.