Steel Bar Weight Table
Theoretical weight of steel bars (kg/m) based on specific gravity 7.85 g/cm³.
Quick Weight Calculator
| Size (mm) | Round Bar (kg/m) | Square Bar (kg/m) |
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| Size (mm) | Hexagonal Bar (kg/m) | Octagonal Bar (kg/m) |
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Calculation Basis Specific gravity 7.85 g/cm³, standard for carbon and alloy steel. Round bar: 0.00617 × d². Square bar: 0.00785 × d².
Size Definition Round & Square: size = diameter or side length. Hexagonal & Octagonal: size = distance between opposite sides.
Weight Adjustment Molybdenum HSS (M2, M35, M42): approx. +3%. Tungsten HSS 18-4-1 type (T1): approx. +10%.