all metal weight calculation formula

The formula, metal densities, shortcut formulas for every shape, worked examples and a free calculator for steel, aluminium, brass and copper weight.

Quick answer: Steel weight formulas (sizes in mm, results in kg/m): plate kg/m² = 7.85 × t; pipe = 0.02466 × (OD − t) × t; square tube = 0.0314 × t × (a − t); round bar = 0.006165 × d²; flat bar = 0.00785 × w × t; equal angle = 0.00785 × t…