How many board feet in a 2×4×20' board?
Answer
13.33 board feet
10 boards: 133.33 board feet50 boards: 666.67 board feetNominal size: 2"×4"×20'
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How We Calculated This
Board Feet = (Thickness" × Width" × Length') / 12
(2 × 4 × 20) / 12 = 160 / 12 = 13.33 board feet
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Calculated using verified formulas. Last updated March 2026.