Volume of a hollow cylinder Calculator

Calculates the volume, lateral and surface areas of a hollow cylinder given two radii and height.

Volume of a hollow cylinder
outer radius r1
internal radius r2
height h

volume V
    1.  
lateral area F
    1.  
surface area S
    1.  
    Volume of a hollow cylinder
    [1-10] /67Disp-Num
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    [1]  2021/03/11 10:36   Male / 40 years old level / Others / Very /
    Purpose of use
    Finding volume of a water tank ring foundation to figure for cubic yardage of concrete.
    Comment/Request
    Just plugged in the numbers in ‘feet’ then divided the volume by 27. I’ll need 45 cubic yards of concrete, Thank you!
    [2]  2021/02/06 05:09   Male / 20 years old level / An engineer / Very /
    Purpose of use
    Calculate weight of test reactor sleeve when manufacturer forgot to send it with the order.
    [3]  2020/12/05 18:54   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    Calculating mass of package I'll have to carry (consists of metal tubes)
    [4]  2020/10/06 08:11   - / 20 years old level / Elementary school/ Junior high-school student / Useful /
    Purpose of use
    to help me clarify doubts that there was finding co calculation

    [5]  2020/06/17 17:27   Male / 50 years old level / A teacher / A researcher / Useful /
    Purpose of use
    calculation of bonding agent
    [6]  2020/06/16 15:40   Female / Under 20 years old / Elementary school/ Junior high-school student / A little /
    Purpose of use
    Assignment
    Comment/Request
    Just wanted to say thanks
    [7]  2020/05/07 22:07   Male / 20 years old level / An engineer / Very /
    Purpose of use
    Used to find volume of a poured rubber insulator for quoting a customer part
    Comment/Request
    Perhaps an option that only increases the decimal places and doesn't count the whole numbers into the eqaution
    [8]  2020/03/21 02:32   - / 60 years old level or over / Elementary school/ Junior high-school student / A little /
    Purpose of use
    I'm obviously dumb I got held back 47 years and this doesn't help I'm an old retarded fart who doesn't understand math
    [9]  2020/02/06 06:23   Female / 20 years old level / An engineer / Useful /
    Purpose of use
    estimate volume of complicated geometry
    [10]  2019/12/16 08:03   Male / 30 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    calculate volume for home diy project

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