Workshop arithmetic / clearly laid out
Measure with confidence.
Build with intent.
Free calculators for lumber, cut planning, joinery, dimensions, movement, and repeatable project setup.
Start with board feet- No account
- No uploads
- Runs in your browser
AT THE LUMBER RACK
Board feet, without the back-of-envelope guess.
Enter the dimensions used by your supplier. Add a price if you want a quick material total.
Formula, assumptions, and FAQsBench calculator
Calculate board feet
No account. No upload. Your entries stay in this tab.
Verify critical dimensions and machine setups independently before cutting project material.
THE FULL TOOL CHEST
Ten precise helpers for the bench
No sign-in. No uploads. Each result is calculated on this device.
- 01Lumber buyingBoard foot calculator
Calculate board feet and estimated lumber cost from thickness, width, length, quantity, and price.
↗ - 02Project estimatingLumber volume and cost calculator
Estimate raw and waste-adjusted lumber volume, board feet, and material cost for rectangular stock.
↗ - 03Linear stock planningCut list optimizer
Pack repeated cut lengths into stock boards with kerf and end-trim allowances, then print a practical cutting plan.
↗ - 04Panel layoutSheet goods cutting planner
Arrange rectangular parts on standard sheets with kerf allowance, optional rotation, utilization, and cut-sheet diagrams.
↗ - 05Bench referenceFraction, decimal, and metric converter
Convert workshop dimensions among fractional inches, decimal inches, feet, millimetres, centimetres, and metres.
↗ - 06Angle setupMiter and compound angle calculator
Calculate equal miter and bevel settings for a corner, including compound joints between sloped members.
↗ - 07Seasonal allowanceWood movement calculator
Estimate across-grain dimensional change from species, grain orientation, board width, and moisture-content range.
↗ - 08Cabinet layoutCabinet door and drawer front calculator
Calculate finished single-door, paired-door, and drawer-front sizes for inset or overlay construction.
↗ - 09Joinery setupDado, groove, and tenon layout calculator
Lay out centered dados and grooves from a reference edge and calculate matching centered tenon cheeks.
↗ - 10Turning layoutSegmented ring calculator
Calculate segment miter angle, long and short edge lengths, blank width, and stock allowance for a segmented ring.
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BUILT LIKE A GOOD JIG
Simple, repeatable, transparent.
Local by default
Inputs and calculations stay in your browser. This site has no accounts or project storage.
Assumptions shown
Every tool explains the formula model, its limits, and the checks to make before cutting.
Shop-readable
Fraction-friendly inputs, clear units, printable results, and layouts that work at the bench.