Lumber Board Feet Calculator
Calculate board feet for lumber pricing and quantity
About this calculator
The Lumber Board Feet Calculator helps woodworkers, contractors, and DIY enthusiasts accurately determine the board footage of lumber for construction projects and cost estimation. Board feet is the standard measurement used in the lumber industry to price and quantify wood materials. This calculator eliminates manual calculations and reduces costly material estimation errors, ensuring you purchase the right amount of lumber for your project while staying within budget.
How to use
Enter the lumber dimensions: length in feet, width in inches, and thickness in inches. The calculator will automatically compute the board feet using the formula: (Length × Width × Thickness) ÷ 144. For multiple pieces, multiply the result by the quantity needed.
Frequently asked questions
What is a board foot?
A board foot is a unit of measurement equal to a board that's 12 inches long, 12 inches wide, and 1 inch thick (144 cubic inches).
How do I calculate board feet for multiple pieces?
Calculate the board feet for one piece first, then multiply that result by the total number of identical pieces you need.
Why are lumber prices quoted in board feet?
Board feet provides a standardized way to price lumber regardless of dimensions, making it easier to compare costs across different lumber sizes.