This board foot calculator helps woodworkers and carpenters quickly calculate board feet and estimate lumber costs. Enter your dimensions, specify units, and get instant results.
(Thickness × Width × Length × Quantity) ÷ 144 = Board Feet
A board foot is a unit of volume for measuring lumber in North America. One board foot equals a piece of wood measuring 1 inch thick by 12 inches wide by 12 inches long, or 144 cubic inches.
The board foot calculation is essential for: