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The DIY Calculator

My project

Nothing on the list yet. Work out a quantity with a calculator, then press “Add to project”: the lines add up here, and stay in this browser.

Woodworking calculators

Woodworking calculators for buying wood and cutting it: board feet and their cost, sheets of plywood, and where each part goes on the sheet.

  • Board foot calculatorBoard feet for one board or a list, and the cost by the board foot or the linear foot.
  • Plywood calculatorPlywood sheets for a floor, a wall or a roof, or a cutting layout for a list of parts.

Buying by the board foot, cutting by the sheet

Hardwood is priced by volume and plywood by the sheet, and neither matches the way a project is drawn. These calculators go from a list of boards to board feet and a price, and from a list of parts to the sheets they fit on, with the width of the saw cut counted between them.

A cutting diagram is a plan, not a promise: check each sheet for defects and the direction of its grain before the first cut.

Updated . How we calculate. Found a mistake? Tell us.