board feet is one method lumber is measured and priced. One board foot is 12" x 12" x 1". For example, an Eight foot long 2 x 12 contains sixteen board feet of lumber.
A unit of measurement based on volume. 144 cubic inches of wood equals one board foot.
The most common measure used to describe log and lumber volume. A board foot is a board measuring 12x 12x 1 thick.