Convert square foot to acre (US survey)
Please provide values below to convert square foot [ft^2] to acre (US survey) [ac (US)], or Convert acre (US survey) to square foot.
How to Convert Square Foot to Acre (Us Survey)
1 ft^2 = 2.29567493114107e-05 ac (US)
Example: convert 15 ft^2 to ac (US):
15 ft^2 = 15 × 2.29567493114107e-05 ac (US) = 0.000344351239671161 ac (US)
Square Foot to Acre (Us Survey) 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 (Us Survey)
An acre (US survey) is a unit of area used primarily in land measurement, equal to 43,560 square feet or approximately 4,046.86 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 United States based on the survey system, maintaining its traditional size for land measurement purposes.
Current Use
The acre (US survey) is still used in the United States for real estate, agriculture, and land planning, especially in rural and agricultural contexts, although the metric system is increasingly adopted globally.