Box Section Properties Calculator
Hollow rectangular (box) section with uniform wall thickness t on all four sides. ZZ = horizontal centroidal axis, YY = vertical centroidal axis.
Inputs:
Outputs:
Area (A)
mm2
CG from Top (ȳtop)
mm
CG from Bottom (ȳbot)
mm
C/C distance between flanges (h0 = L − t)
mm
About ZZ axis (horizontal centroidal):
Moment of Inertia (IZZ)
mm4
Radius of Gyration (rZZ)
mm
Neutral axis from Top (= ȳtop)
mm
Neutral axis from Bottom (= ȳbot)
mm
Elastic Section Modulus — top (Ze,ZZ,top)
mm3
Elastic Section Modulus — bottom (Ze,ZZ,bot)
mm3
Plastic Section Modulus (Zp,ZZ)
mm3
About YY axis (vertical centroidal):
Moment of Inertia (IYY)
mm4
Radius of Gyration (rYY)
mm
Neutral axis from Right (= B/2)
mm
Neutral axis from Left (= B/2)
mm
Elastic Section Modulus — right (Ze,YY,right)
mm3
Elastic Section Modulus — left (Ze,YY,left)
mm3
Plastic Section Modulus (Zp,YY)
mm3