Project calculators

Plan quantities before you order.

Estimate boards, coverage and volume for common timber projects.

Three planed oak boards beside a moisture meter and a steel rule on a workbench.

Movement calculator

Timber takes moisture in and gives it back as the seasons turn — and the board changes size with it. Pick the movement class, enter the board width and the moisture swing it will live with.

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A timber fence panel being put together under a workshop canopy, spare boards leaning against it.

Cladding Calculator

Estimate boards and coverage for exterior cladding projects.

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Decking boards laid side by side on a bench with a tape measure and pencil.

Decking Calculator

Plan board quantities for decking layouts.

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Four square timbers of decreasing size lined up beside callipers on a workbench.

Timber Volume Calculator

Convert lengths, widths and thicknesses into volume.

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Planed boards laid inside a timber frame on a workbench.

Coverage Calculator

Work out area coverage and wastage allowances.

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Stuck on something?

Ask Shane

I don’t sell timber, but I’ll help you work out what you actually need and where to find it.

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