Lumber Board Feet Calculator
Board-feet = (thickness in × width in × length ft) / 12 × pieces.
Result
Board feet
53.33 BF
10 pieces of 2× 4× 8'.
- Per-piece BF5.333
- Total pieces10
- Total board feet53.33
Step-by-step
- BF = (2 × 4 × 8) / 12 × 10 = 53.33.
How to use this calculator
- Enter thickness, width, length, and count.
- Use actual dimensions, not nominal.
- Read total board feet.
About this calculator
A "board foot" is a volume measure: 1 inch thick × 12 inches wide × 12 inches long = 144 in³. The standard formula in lumber yards. Note: nominal vs actual size matters — a "2×4" is actually 1.5×3.5". Use ACTUAL dimensions for board feet.
Frequently asked
"2×4" actual is 1.5×3.5 (after planing). For board-foot calculation, use actual. For lumber-yard pricing, often quoted in nominal — check.
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