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 FAQs

Bench calculator

Calculate board feet

No account. No upload. Your entries stay in this tab.

Browser-local

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.

  1. 01Lumber buyingBoard foot calculator

    Calculate board feet and estimated lumber cost from thickness, width, length, quantity, and price.

  2. 02Project estimatingLumber volume and cost calculator

    Estimate raw and waste-adjusted lumber volume, board feet, and material cost for rectangular stock.

  3. 03Linear stock planningCut list optimizer

    Pack repeated cut lengths into stock boards with kerf and end-trim allowances, then print a practical cutting plan.

  4. 04Panel layoutSheet goods cutting planner

    Arrange rectangular parts on standard sheets with kerf allowance, optional rotation, utilization, and cut-sheet diagrams.

  5. 05Bench referenceFraction, decimal, and metric converter

    Convert workshop dimensions among fractional inches, decimal inches, feet, millimetres, centimetres, and metres.

  6. 06Angle setupMiter and compound angle calculator

    Calculate equal miter and bevel settings for a corner, including compound joints between sloped members.

  7. 07Seasonal allowanceWood movement calculator

    Estimate across-grain dimensional change from species, grain orientation, board width, and moisture-content range.

  8. 08Cabinet layoutCabinet door and drawer front calculator

    Calculate finished single-door, paired-door, and drawer-front sizes for inset or overlay construction.

  9. 09Joinery setupDado, groove, and tenon layout calculator

    Lay out centered dados and grooves from a reference edge and calculate matching centered tenon cheeks.

  10. 10Turning layoutSegmented ring calculator

    Calculate segment miter angle, long and short edge lengths, blank width, and stock allowance for a segmented ring.

BUILT LIKE A GOOD JIG

Simple, repeatable, transparent.

01

Local by default

Inputs and calculations stay in your browser. This site has no accounts or project storage.

02

Assumptions shown

Every tool explains the formula model, its limits, and the checks to make before cutting.

03

Shop-readable

Fraction-friendly inputs, clear units, printable results, and layouts that work at the bench.