How many board feet in a 1×8×20' board?

13.33 board feet. 10 boards: 133.33 board feet. 50 boards: 666.67 board feet. Nominal size: 1"×8"×20'

Answer

13.33 board feet

10 boards: 133.33 board feet50 boards: 666.67 board feetNominal size: 1"×8"×20'

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How We Calculated This

Board Feet = (Thickness" × Width" × Length') / 12

(1 × 8 × 20) / 12 = 160 / 12 = 13.33 board feet

Calculated using verified formulas. Last updated March 2026.