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Circle Round Elastic Section Modulus Calculator

This calculator calculates the section modulus for a round circular section. This is done with the equation below.

S=πr34 =πD332S = \frac{\pi r^3}{4}\ = \frac{\pi D^3}{32}

The following are the variables for the equations...

  1. 
    
    = the section modulus
  2. 
    
    = the circle's radius, length xc in the given diagram.
  1. 
    
    = the diameter of the circle.
Figure 1: Diagram of the Circle to Calculate the Section Modulus


Circle Round Center Neutral Axis Section Modulus Calculator

Inputs



Radius, r
:4.00mm​



Diameter, D
:8.00mm​


Output



Section Modulus, S (eqn 1)
:50.27mm3​


Sequation 1=πr34S_{equation\ 1} = \frac{\pi r^3}{4}


Section Modulus, S (eqn 2)
:50.27mm3​


Sequation 2=πD332S_{equation\ 2} = \frac{\pi D^3}{32}

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