Area of a circle Calculator

Calculates the area and circumference of a circle given the radius or diameter.

Area of a circle

area S
    1.  
circumference L
    1.  
    Area of a circle
    [1-10] /19Disp-Num
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    [1]  2020/04/05 04:41   Male / 60 years old level or over / High-school/ University/ Grad student / Very /
    Purpose of use
    Calculate areas for gravity feed irrigation system
    [2]  2020/01/31 20:54   Male / 50 years old level / Self-employed people / Very /
    Purpose of use
    Calculating Applied pressure of a pneumatic cylinder
    [3]  2020/01/28 23:58   Male / 50 years old level / Self-employed people / Very /
    Purpose of use
    figuring how much dough I will need for a pizza
    [4]  2020/01/24 08:58   Female / 60 years old level or over / Others / Very /
    Purpose of use
    to see the area of my tits
    [5]  2020/01/15 13:13   Female / 50 years old level / An engineer / Very /
    Purpose of use
    Design a firepit
    [6]  2020/01/10 01:24   Female / 60 years old level or over / An engineer / Very /
    Purpose of use
    Working out how and what size small holes I need to drill into a plastic pressure pipe if end is blocked off and need to keep roughly the same flow/pressure.
    [7]  2019/12/19 08:38   Male / - / Self-employed people / Very /
    Purpose of use
    determine amount of concrete in 4 foot diameter pile vs. 3 ft. diameter pile
    [8]  2019/11/07 01:59   Male / 60 years old level or over / Self-employed people / Very /
    Purpose of use
    To calculate area of inner and outer circle's to determine amount of seed needed for each ring
    [9]  2019/04/12 05:28   Female / Under 20 years old / Elementary school/ Junior high-school student / A little /
    Purpose of use
    help with a question
    [10]  2018/11/17 11:26   Male / 20 years old level / Elementary school/ Junior high-school student / Very /
    Purpose of use
    To expose me more understanding
    Comment/Request
    nice

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