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Diameter to sq. ft.???

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  • Diameter to sq. ft.???

    How would you convert inches in diameter to sq. ft.? Don't you need something else in the measurement?

  • #2
    Re: Diameter to sq. ft.???

    I have two ways you can do it, by hand or using our automated calculator.

    By hand:
    Area = 3.14 * (diameter / 2) * (diameter / 2)

    That will give you the area in square inches (assuming the diameter is inches), then you convert to square feet:
    square inches / 144 = square foot

    Or there is the automated calculator here:
    http://www.onlineconversion.com/shape_area_circle.htm

    That also will give the result in square inches (assuming the diameter is inches), so convert to square feet here:
    http://www.onlineconversion.com/area.htm

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    • #3
      Re: Diameter to sq. ft.???

      225 mm diameter = how much feet

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      • #4
        Re: Diameter to sq. ft.???

        Originally posted by Unregistered View Post
        225 mm diameter = how much feet
        225 mm x 1 in/25.4 mm = 8.86"
        At 12"/ft, 0.738 ft.

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        • #5
          Re: Diameter to sq. ft.???

          Originally posted by Unregistered View Post
          225 mm diameter = how much feet
          0.60x20.00m

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