Lumber Calculator
Calculate board feet, linear feet, and cost for any lumber order. Useful for framing, decking, trim, and pricing across suppliers.
Inputs
Result
Board feet
53.3 BF
Linear feet
80.0 ft
Pieces
10
- Each piece
- 2" × 4" × 8'
Diagram
Estimates only. Verify with a licensed contractor or supplier before purchasing. Rough Estimator! is not responsible for shortages, overages, or material variances. See our methodology for formulas and sources.
Formula
Board feet = (T × W × L) ÷ 12 (T,W in inches; L in feet)
Related tools & materials
Calculators
Don't forget
- Fasteners
- Construction adhesive
Frequently asked questions
A board foot is a volume measure equal to 144 cubic inches: 1 in × 12 in × 12 in. It is the standard unit for pricing rough lumber.
Cite this page
Cosyslabs. (2026). Lumber Calculator. Rough Estimator!. https://roughestimator.com/lumber-calculator
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