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🪵 Board Foot Calculator

Total pieces of identical size.
Formula: BF = L(ft) × W(in) × T(in) ÷ 12

Step-by-step derivation

Reference & quick conversions

FactValue
Definition1 board foot = 1 ft × 1 ft × 1 in = 144 in³ = 1/12 ft³ ≈ 0.00235974 m³
Core formulaBF = L(ft) × W(in) × T(in) ÷ 12
Unit tipsLength in feet; width & thickness in inches. This tool accepts ft/in/mm/cm/m and converts automatically.
Sources Wikipedia: Board foot · Fine Woodworking: Formula