Lumber Calculator — Board Feet & Linear Feet Estimator

Lumber Calculator — Board Feet & Linear Feet Estimator

Calculate board feet and linear feet of lumber needed for framing, decking, fencing, or general construction projects.

🪵 Lumber Calculator

Board Feet Total
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Linear Feet Total
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Est. Cost ($0.90/bf)
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💡 Pro Tip

Always check the actual vs. nominal size of lumber. A 2x4 is actually 1.5 inches × 3.5 inches. Plan your project around actual dimensions to avoid costly measurement errors.

Frequently Asked Questions

Q: What is a board foot of lumber?

A board foot equals 1 inch thick × 12 inches wide × 12 inches long = 144 cubic inches. Formula: Board Feet = (Thickness in inches × Width in inches × Length in feet) ÷ 12.

Q: How much does lumber cost per board foot?

Framing lumber (2x4, 2x6): $0.60–$1.20 per board foot. Hardwood (oak, maple): $5–$15 per board foot. Pressure-treated lumber: $0.80–$1.50 per board foot.

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