Board Feet Calculator
Calculate board feet for lumber pricing and ordering
About this calculator
A Board Feet Calculator is an essential tool for woodworkers, contractors, and lumber buyers that converts lumber dimensions into board feet measurements. This standardized unit of measurement helps accurately estimate material costs, compare lumber prices from different suppliers, and determine exactly how much wood you need for your project. Whether you're building furniture, framing a house, or planning any woodworking project, this calculator eliminates guesswork and ensures precise material ordering while helping you budget effectively.
How to use
Enter the lumber dimensions: thickness (in inches), width (in inches), and length (in feet). The calculator will automatically compute the board feet using the formula: thickness × width × length ÷ 12. For multiple pieces, enter the quantity to get the total board feet needed for your project.
Frequently asked questions
What is a board foot?
A board foot is a unit of measurement for lumber volume, equal to a piece of wood 1 inch thick, 12 inches wide, and 12 inches long.
Why is lumber sold by board feet?
Board feet provides a standard way to price lumber regardless of dimensions, making it easier to compare costs across different lumber sizes.
Can I use this for any type of wood?
Yes, the board foot calculation is the same for all lumber types, though pricing per board foot varies by wood species.