CE Calculators > Moment of Inertia > Rectangular section

Calculator for Moment of Inertia of Rectangular section

This calculator uses the standard formula for moment of inertia of rectangular section about x-axis and y-axis. It also calculates the values of elastic and plastic section modulus and the radius of gyration about x-axis and y-axis of rectangular section. Section modulus helps in determining the strength of the section. Please enter the "Input Values" in the form given below and click "Calculate". You should enter all the values in same units and this calculator will provide the "Output Results" in the corresponding units (unit2 , unit3 , unit4 etc.). You can also vist Instructions for Moment of Inertia Calculator

Input Values

Width "b" of section (unit):
Depth "d" of section (unit):
Please make sure that the input
values are positive

Output Results

Area of section (unit^2):
Position of centroid - Xc (unit):
Position of centroid - Yc (unit):
Moment of Inertia Ixx (unit^4):
Moment of Inertia Iyy (unit^4):
Elastic Section Modulus Sxx (unit^3):
Elastic Section Modulus Syy (unit^3):
Plastic Section Modulus Zxx (unit^3):
Plastic Section Modulus Zyy (unit^3):
Radius of gyration rxx (unit):
Radius of gyration ryy (unit):


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