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] /36Disp-Num
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    [1]  2021/04/18 21:51   30 years old level / Others / A little /
    Purpose of use
    Figuring out how much more pizza is in the XL vs the large.
    [2]  2021/02/07 02:37   50 years old level / An engineer / Very /
    Purpose of use
    To find force of oven chain belt take up that uses air cylinders
    [3]  2021/01/09 15:03   50 years old level / An engineer / A little /
    Purpose of use
    Immediately getting the answer ok
    Comment/Request
    I can find the units like cm. Inch,meter,mm.
    Can you clear it it ll fine ,digital answer is fine holdsgood
    [4]  2020/12/16 17:13   60 years old level or over / Self-employed people / Very /
    Purpose of use
    determining the base surface of a dutch ovens to decide if I need to increase cooking times when I double a recipe
    [5]  2020/12/09 22:02   60 years old level or over / An engineer / Not at All /
    Purpose of use
    circles and geometery
    Comment/Request
    i like cheetos! And I also like to tie my shoes! go shopping with my old papa he is still alive!And i like washing clothes
    [6]  2020/10/26 22:16   Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    To see if you can recite more than just these digits of pi.
    Comment/Request
    That's more than I can. Thanks!
    [7]  2020/10/24 14:38   20 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    To calculate internal area of a geodome greenhouse.
    Comment/Request
    Very helpful website - thank you very much!
    [8]  2020/10/08 09:09   Under 20 years old / Elementary school/ Junior high-school student / Useful /
    Purpose of use
    Helped me with finding areas of a circle.
    [9]  2020/09/15 17:24   60 years old level or over / Self-employed people / Useful /
    Purpose of use
    determining the area of a cord of wood
    [10]  2020/08/25 15:40   60 years old level or over / An office worker / A public employee / Very /
    Purpose of use
    comparing area of circular culvert vs area of rectangular box culvert, and provide a printout to concerned landowner.

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