Steel Weight Calculator

⚙️

Weight per bar, total tonnage using W = d²/162 × L formula

Bar Diameter (mm)

Custom Diameter (mm)

Length per Bar (m) Standard bar = 12m (40ft)

Number of Bars

Spacing (mm) — for slab/beam

Wastage & Laps (%)

✅ Calculated

kg/m

Weight per Meter

Weight per Bar

Total Weight

tonnes

Total Tonnage

Formula: W (kg/m) = d² / 162 | d = diameter in mm, L = length in meters