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Cross Section Geometrical Properties Calculators







Second Moment of Area About Arbitrary Axis

In some cases, it is necessary to calculate the area moment of inertia of the cross section about an axis parallel to the centroidal one.

In this calculation, a cross-section of arbitrary geometry, sectional area A, and moment of inertia about centroidal axis Ix1 is considered. As a result of calculations, the moment of inertia Ix about any axis X parallel to centroidal axis X1 and located at a distance Y is determined.

Calculation of Moment of Inertia of Section About Any Axis
Moment of Inertia of Section About Any Axis

INITIAL DATA

Ix1 - Moment of inertia of the section about centroidal axis X1;


A - Cross section area;


Y - Distance between centroidal axis X1 and target axis X.

RESULTS DATA

Ix - Area moment of inertia of the section about axis X.

Moment of inertia (Ix1)

Section area (A)

Distance (Y)

Moment of inertia (Ix)

BASIC FORMULAS

Ix = Ix1 + A*Y2

INITIAL DATA

Ix1 - Moment of inertia of the section about centroidal axis X1;


A - Cross section area;


Y - Distance between centroidal axis X1 and target axis X.

RESULTS DATA

Ix - Area moment of inertia of the section about axis X.

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