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Fixed Area Plot - Acres

Spike VM

Determine the area of a circular plot in acres.

Fixed Area Plot - Acres

Diameter of Plot ft
Decimal Rounding #

Results:

Plot Area in Square Feet ft²
Plot Area in Acres ac
Fraction = 1: of an acre

Calculator

  1. the diameter of the plot in feet
  2. decimal precision, the number of digits after the decimal point

Results

  1. the area of the plot in square feet
  2. the area of the plot in acres
  3. the plot area as a fraction of an acre

Formula used:
A = πR² ÷ 43560 (there are  43560 ft² in one acre)
where A = area
R = radius
π = 3.14159
Example Caculation:
the diameter of the plot is 66 feet
66  ÷  2  =  33  ft for the radius
3.14159 *   33 * 33  ÷  43560 =  0.0785398
The plot has an area of   0.0785 acres
In a fraction:
1 ÷ 0.07853975 
1 :  12.7 of an acre

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