Steps Involved in Building a HouseSpike's Calculators

Area of a Circle from Foot and Inch Diameter

Spike VM

Calculate the area of a circle from diameter measured in foot and inch with results in square feet and acres.


Circle with a diameter of 14 ft - 8 in
14 +  8 ÷ 12 (inch to foot value) =  14.66666666666667 * 0.785398163 = 168.948 square feet

Area of a Circle

Diameter ft in
Decimal Rounding (# of digits in result) #


Area in Square Feet ft²
Area in Acres ac


  1. the circle's diameter in feet and inches


  1. area of circle in square feet
  2. area of circle in acres

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