Board Feet
Calculate lumber volume in board feet from thickness and width in inches, length in feet and the number of pieces. One board foot equals thickness times width times length divided by 12. Woodworkers and lumberyards price hardwood this way.
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Worked example
Board feet: 80
Inputs
- Thick in
2 - Width in
6 - Length ft
8 - Pieces
10
Frequently asked
What is a board foot?
A volume unit equal to a 1-inch-thick, 12-inch-wide, 1-foot-long board (144 cubic inches).
Nominal or actual size?
Use the size you're being charged for; rough hardwood is usually sold at its nominal (pre-planing) dimensions.