Calculate lumber board feet from board thickness, width, length and quantity.
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Ten 2×6 boards that are 8 feet long equal 80 board feet using nominal dimensions.
Calculate lumber board feet from thickness, width, length and quantity. It is designed for quick estimates and everyday problem solving. When a calculation affects a contract, tax filing, medical decision or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Ten boards that are 2 inches thick, 6 inches wide and 8 feet long total 80 board feet: (2 × 6 × 8 × 10) ÷ 12.
Board feet measure lumber volume rather than board surface area.
Nominal lumber sizes may differ from actual dressed dimensions; ordering practices depend on supplier specifications.
Related tools: Square Footage Calculator · Concrete Calculator
Calculate lumber board feet from thickness, width, length and quantity.
Board feet = thickness(in) × width(in) × length(ft) ÷ 12 × quantity.
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A board foot is a volume measure equal to a board 1 inch thick, 12 inches wide and 1 foot long.
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