The phrase refers to a method, usually expressed mathematically, for determining the volume of lumber when measurements are given in inches. This calculation typically involves multiplying the thickness, width, and length dimensions, often requiring conversion of units for accurate volumetric assessment. For instance, to compute the board feet of a piece of lumber that measures 2 inches thick, 6 inches wide, and 120 inches long, a specific formula would be applied to ascertain the equivalent board foot measure.
Accurate determination of lumber volume is crucial for fair pricing, inventory management, and efficient resource utilization within the woodworking and construction industries. Historically, various methods and rules have evolved to simplify this process, ensuring standardized practices for trading and construction planning. These calculation methods provide a standardized framework, reducing ambiguity and promoting equitable transactions within the lumber market.