Construction/Home calculator
Lumber / Board Feet Calculator
Calculate board feet from lumber thickness, width, length, and quantity.
Formula
Board feet formula
Board feet = thickness(in) x width(in) x length(ft) x pieces / 12
2 x 6 x 8 x 10 pieces equals 80 board feet.
FAQs
What is a board foot?+
A board foot is a lumber volume equal to 1 inch by 12 inches by 12 inches.
How does the Lumber / Board Feet Calculator calculate the result?+
It uses the Board feet formula: Board feet = thickness(in) x width(in) x length(ft) x pieces / 12. 2 x 6 x 8 x 10 pieces equals 80 board feet.
What information do I need to use the Lumber / Board Feet Calculator?+
Calculate board feet from lumber thickness, width, length, and quantity.
How accurate is the Lumber / Board Feet Calculator?+
Lumber / Board Feet Calculator applies the formula and assumptions shown on this page. Results may be rounded for readability, so verify changing rates, thresholds, medical guidance, or legal rules with the cited source or a qualified professional.
What should I check before using the Lumber / Board Feet Calculator result?+
Check that the units, dates, rates, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
Construction/Home guide
How to use the Lumber / Board Feet Calculator
Calculate board feet from lumber thickness, width, length, and quantity. The page also explains the board feet formula and shows a practical example: 2 x 6 x 8 x 10 pieces equals 80 board feet.
- 1
Enter your details
Enter lumber thickness, width, length, and quantity, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the board feet formula: Board feet = thickness(in) x width(in) x length(ft) x pieces / 12.
- 3
Compare scenarios
Change one or more inputs to see how they affect the lumber / Board Feet Calculator result before you use the estimate.
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