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AKEN — A brand of A K Engineering

Engineering tools

Quantities you can check by hand.

Weight and area take-offs for steel sections, plate, pipe, roofing and painting. Every result shows the formula it came from, so you can verify it against a section table rather than take our word for it.

Metric and imperial. Nothing is stored and nothing is sent to a server — the arithmetic happens in your browser.

MS plate weightMass of a mild steel plate from its length, width and thickness.Pipe weightMass per piece of a circular hollow section from outside diameter, wall thickness and length.Angle weightMass of an equal or unequal angle from its legs, thickness and length.Channel weightMass of a channel from its cross-sectional area and length.Beam weightMass of an I-section or beam from its cross-sectional area and length.Roofing areaSloped roof area from plan area and pitch, with an allowance for laps.Painting areaSurface area to be painted from member perimeter and length, for a paint quantity take-off.Bolt weightApproximate mass of a hex bolt with nut and washer, from diameter and length.Steel weight from volumeMass of any steel item from its volume, for shapes the other calculators do not cover.PEB cost estimatorA budgeting band for a complete building, priced quotation-first rather than from a published rate.

Limits

These are take-off estimators. They convert dimensions to quantities using the conventional steel density of 7,850 kg/m³, which is not the same as the nominal mass of a rolled section — IS 808 figures include root radii and rolling tolerance, so a formula result can differ from a section table by one or two percent. For a quotation, a lifting plan or a weighted load, use the section table or the mill certificate. None of these tools performs or replaces a structural design check.

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