Weight calculators

Hollow section weight

SHS / RHS tubes by section size and wall thickness. Results in kilograms. Density defaults suit carbon steel mill products.

Output
kg
Inputs
mm · m

Inputs

Indicative · not a mill cert

Formula

W = [2 × (a + b) − 4t] × t × L × ρ ÷ 1000
  • • a, b, t in mm; L in m → kg
  • • Corners counted once; rounded corners make real tubes a little lighter