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Board Foot Calculator
Standard board-foot formula: board_feet = (nominal thickness in x nominal width in x length ft) / 12.
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Lumber Volume Calculator
Volume = (thickness in x width in x length in) / 1728 cu in per cu ft, the standard rectangular solid conversion for dimensional lumber.
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Stud Spacing Calculator
Stud count = ceil(wall length in / spacing in) + 1, following standard 16 in or 24 in on-center residential framing spacing.
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Timber Quantity Calculator
Base piece count = ceil(wall length ft x 12 / spacing in) + 1, at standard 16 in or 24 in on-center (OC) spacing, plus extra pieces for corners (+1 each) and openings (+2 each).
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Wood Weight Calculator
Kiln-dried average densities: Southern Yellow Pine ≈36 lb/cu ft, Douglas Fir ≈34, SPF ≈28, Red Oak ≈44, White Oak ≈47, Cedar ≈23.