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.