Formulas

Completed formulas calculators, references and practical pages.

Formulas
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Formulas Pages

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Area Formulas for Construction

Area Formulas for Construction

Common area formulas used in civil engineering and estimating.

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Brickwork Quantity Formula

Brickwork Quantity Formula

Formula reference for estimating brickwork volume and brick count.

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Concrete Volume Formula

Concrete Volume Formula

Understand the concrete volume formula for slabs, beams, columns and footings.

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Earthwork Volume Formula

Earthwork Volume Formula

Basic excavation, trench and embankment volume formulas.

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Electrical Power Formula

Electrical Power Formula

Basic single-phase power, voltage and current relationships.

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Plaster Quantity Formula

Plaster Quantity Formula

Formula reference for plaster volume and material estimation.

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Roof Pitch Formula

Roof Pitch Formula

Formula reference for roof angle, slope length and area.

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Slope and Gradient Formulas

Slope and Gradient Formulas

Basic slope, rise, run and gradient relations.

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Steel Weight Formula

Steel Weight Formula

Learn the steel weight formula and see a worked example.

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Tank Capacity Formulas

Tank Capacity Formulas

Reference formulas for rectangular and circular tank capacity.

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Volume Formulas for Construction

Volume Formulas for Construction

Common volume formulas for cuboids, cylinders and prismatic members.

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