How it’s calculated
- Board feet = thickness (in) × width (in) × length (ft) ÷ 12
Worked example
Ten 2 × 6 boards, 12 ft long.
Inputs
- Thickness
- 2 in
- Width
- 6 in
- Length
- 12 ft
- Number of boards
- 10
- Price per board foot
- 0 $/bf
Results
- Board feet
- 120 bf
- Board feet per board
- 12 bf
Assumptions and limits
- Hardwood is usually measured rough (e.g. 4/4 = 1 in). Dimensional lumber is often quoted in nominal sizes.
Verify the result against the applicable local code, adopted code edition, manufacturer instructions and project requirements. See our methodology.
Questions
How many board feet in a 2×6×12?
2 × 6 × 12 ÷ 12 = 12 board feet, using nominal dimensions.
What is 4/4 or 8/4 lumber?
Quarters of an inch: 4/4 is 1 in thick rough, 8/4 is 2 in.