Conversion Formula:
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The conversion between square feet and acres is a fundamental calculation in land measurement. One acre is equal to 43,560 square feet. This conversion is commonly used in real estate, agriculture, and land development.
The calculator uses the simple formula:
Where:
Explanation: The formula divides the area in square feet by the number of square feet in one acre to get the equivalent area in acres.
Details: Accurate area conversion is essential for property transactions, land valuation, agricultural planning, and construction projects where different units of measurement are used.
Tips: Enter the area in square feet (must be a positive number). The calculator will automatically compute the equivalent area in acres.
Q1: Why is 43,560 square feet equal to one acre?
A: This number comes from the traditional definition of an acre as the area of land that can be plowed in one day by a yoke of oxen, standardized to a rectangle of 660 feet by 66 feet (660 × 66 = 43,560).
Q2: How precise is this conversion?
A: The conversion is mathematically exact since 43,560 square feet is the precise definition of an acre in the imperial system.
Q3: When would I need to convert square feet to acres?
A: Common uses include real estate listings, agricultural land measurement, property tax assessments, and land development planning.
Q4: Are there different types of acres?
A: The international acre is standard, but some countries historically used slightly different definitions. The calculator uses the standard international acre.
Q5: How can I visualize an acre?
A: An acre is roughly 90% of a football field (excluding end zones), or about 208.71 feet square (a square with sides of 208.71 feet).