Rectangular Section Properties Calculator
Solid rectangular cross-section. D = depth (height), W = width. ZZ = horizontal centroidal axis, YY = vertical centroidal axis.
Inputs:
Outputs:
Area (A = D×W)
mm2
CG from Top / Bottom (= D/2)
mm
About ZZ axis (horizontal centroidal):
Moment of Inertia (IZZ = WD³/12)
mm4
Radius of Gyration (rZZ = D/√12)
mm
Neutral Axis from Top / Bottom (= D/2)
mm
Elastic Section Modulus (Ze,ZZ = WD²/6)
mm3
Plastic Section Modulus (Zp,ZZ = WD²/4)
mm3
About YY axis (vertical centroidal):
Moment of Inertia (IYY = DW³/12)
mm4
Radius of Gyration (rYY = W/√12)
mm
Neutral Axis from Left / Right (= W/2)
mm
Elastic Section Modulus (Ze,YY = DW²/6)
mm3
Plastic Section Modulus (Zp,YY = DW²/4)
mm3