Moment of Inertia Calculator
Calculate the moment of inertia (second moment of area) for common cross-sectional shapes used in structural engineering.
Section Shape
in
in
Moment of Inertia (Ix)
864.0000 in&sup4;
Ix (Strong Axis)
864.0000 in&sup4;
Iy (Weak Axis)
216.0000 in&sup4;
Sx (Section Modulus)
144.0000 in³
Sy (Section Modulus)
72.0000 in³
rx (Radius of Gyration)
3.4641 in
ry (Radius of Gyration)
1.7321 in
Area
72.0000 in²
Polar Moment (J)
1080.0000 in&sup4;