Volume of a torus Calculator

Calculates the volume and surface area of a torus given the inner and outer radii.

Volume of a torus
inner radius a
outer radius b
    1. b≧a

volume V
    1.  
surface area S
    1.  
    Volume of a torus
    [1-10] /72Disp-Num
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    [1]  2022/05/07 07:49   60 years old level or over / A retired person / Useful /
    Purpose of use
    Evaluating the special case of a "Rational Torus" where the ratio of a and b results in pi being a rational number.
    Comment/Request
    a T2 Torus (two dimensional torus) option would be welcome.
    [2]  2022/03/20 17:45   40 years old level / An office worker / A public employee / Useful /
    Purpose of use
    Calculate bicycle tire volume
    [3]  2022/01/30 09:31   60 years old level or over / A retired person / Very /
    Purpose of use
    Calculate caloric value of cake donut.
    [4]  2021/12/23 02:37   50 years old level / An engineer / Useful /
    Purpose of use
    Calculating the volume of toroidal space station designs.
    [5]  2021/06/03 13:29   30 years old level / An engineer / Very /
    Purpose of use
    Calculate gland fill ratio of a troublesome o-ring joint.
    [6]  2020/10/27 11:41   Under 20 years old / High-school/ University/ Grad student / A little /
    Purpose of use
    The size for a coil
    Comment/Request
    Finding the Thickness that determine for the pressure and vacuum it can handle and freezing.
    [7]  2020/10/27 00:33   40 years old level / An office worker / A public employee / Very /
    Purpose of use
    Comparing bicycle tyre volumes - smaller wheel size vs wider tyre, and so forth. This was epically useful thanks.
    [8]  2020/08/19 22:54   60 years old level or over / An engineer / Very /
    Purpose of use
    Calculating the accurate water volume of a pipe bend for expansion volumes and percentage additions of water treatments. Pipe centre lines are commonly used
    [9]  2020/06/19 21:37   20 years old level / Others / Very /
    Purpose of use
    Finding relative weights of potential parts of a kinetic sculpture
    [10]  2020/04/03 00:00   60 years old level or over / A retired person / Very /
    Purpose of use
    Evaluate torus as ideal shape for closed environment of future cities. Rain capture, internal atmosphere and climate control, population density and mobility, regional adaptability for construction, other considerations.

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