Lumber Calc

Lumber Calc

Free lumber, deck, stair and rafter calculators

Free lumber, deck, stair and rafter calculators with cut diagrams, IRC code checks and printable shopping lists. Built for DIYers and pros.

Side projects · Technology · Productivity

Features

Board foot, log scale, stair, deck, baluster, and rafter calculators. Each tool shows a diagram, optional IRC or DCA 6 checks, and a printable shopping list. Calculations run in the browser.

Use Cases

DIY owners planning a deck, stairs, or lumber order. Hobby woodworkers estimating board feet and cut lists. Small contractors doing deck takeoffs and rafter marks before ordering lumber.

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Comments

Boya Zuo

Lumber Calc is a free set of browser calculators for board feet, stairs, decks, and rafters. Each tool shows a diagram, optional IRC or DCA 6 checks, and a printable shopping list. Built for DIYers and small contractors.

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