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Area Moment of Inertia Calculator
Calculate the second moment of area (I), elastic section modulus (S), and radius of gyration (r) for common structural cross-sections. Essential for beam deflection and stress analysis.
š Cross-sections
āļø Structural engineering
š Accurate formulas
Section Properties
Calculate geometric properties for structural shapes
Cross-Section Shape
Choose the geometric shape to analyze
Dimensions
All calculations are based on centroidal axes. Units are in millimeters (mm) and mmā“.
Section Properties
Geometric & bending characteristics
Select a shape, enter the dimensions, then click Calculate to see the moment of inertia, section modulus, and other properties.