Area, centroid, radius of gyration Moment and polar moment of inertia of I-section

Moment of inertia calculator for I-section

Moment of inertia calculator for I-section


I-section with dimensions is used in calculation of moment of inertia from bottom fibre

Dimensions of I-section :

Top flange :

Width of flange : mm.

Depth of flange : mm.

Web of I-section:

Width of web : mm.

Depth of web : mm.

Bottom flange :

Width of flange : mm.

Depth of flange : mm.




Calculation of areas of I-section parts

Area of top flange ( Atf ) : mm2.

Area of web ( Aw ) : mm2.

Area of bottom flange ( Abf ) : mm2.

Total area of I-section ( A ) : mm2.


Calculation of centroid of I-section :

Note:Due to symmetry centroid lies on y-y axis.

Centroid of I-section : mm.


Calculation of moment and polar moment of inertias of I-section :

Moment of inertia about centroidal axis x-x, Ixx : mm4.

Moment of inertia about centroidal axis y-y, Iyy : mm4.

Polar moment of inertia Izz : mm4.


Calculation of radius of gyration of I-section :

Radius of gyration kxx : mm.

Radius of gyration kyy : mm.



Moment of inertia of I-section

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