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Workshop Calculators

43 free calculators for workshop infrastructure, woodworking, construction, electrical, and automotive projects. Get accurate measurements and material estimates for your next build.

Workshop Infrastructure

Essential calculators for planning and equipping your workshop space.

The four machines these calculators keep pointing at

Board feet, cut lists and dust runs all assume a machine on the other end. These are the ones that show up most across the calculators here.

DEWALT DWS780 12 in Sliding Miter Saw DEWALT DWS780 12 in Sliding Miter Saw

Double bevel sliding cut, the saw most shop layouts here are built around

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DEWALT DW734 12-1/2 in Benchtop Planer DEWALT DW734 12-1/2 in Benchtop Planer

Three-knife cutterhead, the cheapest route to dimensioning your own stock

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DEWALT DW618PK Router Kit DEWALT DW618PK Router Kit

Fixed and plunge bases in one kit, which covers table and handheld work

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Central Machinery 2 HP Dust Collector Central Machinery 2 HP Dust Collector

Two horsepower at five micron, sized for a one-person shop rather than a vac

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Woodworking

Calculators for lumber, materials, finishes, and woodworking projects.

Construction & Outdoor

Material calculators for outdoor structures and construction projects.

Electrical

Calculators for electrical wiring and conduit sizing.

Automotive & Mechanical

Calculators for automotive, mechanical, and garage projects.