Board Feet in Twenty 1×4 12-Foot Boards
Twenty 1×4 boards at 12 feet long contain 80 board feet of lumber.
How to use this tool
- Enter the nominal thickness, width (in inches), and length (in feet).
- Enter the number of boards you plan to buy.
- The calculator shows board feet per piece and the total for all boards.
Twenty 1×4×12 boards — great for fence pickets or paneling — total 80 board feet.
Frequently asked questions
- What is a board foot?
- A board foot is a unit of lumber volume equal to a piece 1 inch thick, 12 inches wide, and 12 inches long (144 cubic inches).
- How do I calculate board feet?
- Multiply thickness (inches) × width (inches) × length (feet) ÷ 12. For example, a 1"×6"×8' board = 1×6×8/12 = 4 board feet.