Structural Calculators Precision Calculator

Structural Steel Section Weight Calculator

Calculate theoretical mass of steel plates, round bars, pipes, square hollow sections, and angle profiles.

Calculated 100% in your browser — zero data uploaded or stored externally.

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📐 Steel Section Mass Formula

M = A_{cross} times L times rho_{steel}; quad rho_{steel} = 7850 text{ kg/m}^3

📘 Engineering Specifications & Method of Calculation

Essential for fabricators, structural quantity surveyors, and steel detailers to calculate section unit mass and total bundle tonnage.

Steel Profile Geometry

Compute exact cross-sectional area of the chosen structural shape and multiply by the standardized density of carbon steel (7,850 kg/m³ or 490 lbs/cu.ft).

Frequently Asked Questions

What density is used for structural carbon steel?

Standard structural mild steel has a density of 7,850 kg/m³ (7.85 g/cm³).