Guides
Steel weight formula
How to calculate the weight of plates, bars, pipes, tubes and sections, with worked examples.
Density of steel
7850 kg/m³ in every unit, and the densities of stainless steel, aluminum, copper and brass.
Steel section equivalents
Every ISMB matched to IPE and W-shapes, and every ISMC to UPN and C channels.
Pipe schedules explained
Sch 40 vs Sch 80, STD, XS and XXS, and how schedule changes wall thickness and weight.
Rebar weight formula d²/162
Where the bar weight rule comes from and how accurate it is.