Acre Calculation Formula:
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An acre is a unit of land area used in the imperial and US customary systems. One acre equals 43,560 square feet, 4,840 square yards, or about 4,047 square meters. It's commonly used in real estate, agriculture, and land development.
The calculator uses the standard acre conversion formula:
Where:
Explanation: The formula converts the rectangular area from square feet to acres by dividing by the conversion factor of 43,560 square feet per acre.
Details: Accurate land area calculation is essential for property valuation, agricultural planning, construction projects, zoning compliance, and real estate transactions.
Tips: Enter length and width in feet. For irregular shapes, divide into rectangular sections and calculate each separately. All values must be positive numbers.
Q1: How big is an acre visually?
A: One acre is approximately the size of a football field without the end zones, or about 208.71 feet by 208.71 feet square.
Q2: Can I use this for irregular shaped lots?
A: For irregular shapes, divide the area into multiple rectangles, calculate each separately, and sum the results.
Q3: What's the difference between acres and hectares?
A: One hectare equals 2.471 acres. Hectares are used in the metric system, while acres are used in imperial/US customary systems.
Q4: How accurate is this calculation?
A: The calculation is mathematically precise for rectangular areas. Accuracy depends on the precision of your length and width measurements.
Q5: Can I convert acres to other units?
A: Yes, 1 acre = 43,560 sq ft = 4,840 sq yd = 4,047 sq m = 0.4047 hectares.