Convert square foot to acre
Please provide values below to convert square foot [ft^2] to acre [ac], or Convert acre to square foot.
How to Convert Square Foot to Acre
1 ft^2 = 2.29568411386593e-05 ac
Example: convert 15 ft^2 to ac:
15 ft^2 = 15 × 2.29568411386593e-05 ac = 0.00034435261707989 ac
Square Foot to Acre Conversion Table
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Square Foot
A square foot is a unit of area measurement equal to the area of a square with sides of one foot in length.
History/Origin
The square foot has been used historically in the imperial and US customary systems for measuring areas, especially in real estate and construction, dating back to the adoption of the imperial system in the UK and its influence in the US.
Current Use
Today, the square foot is widely used in real estate, architecture, and interior design in the United States and other countries that employ imperial units 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.