The calculation, explained.
Board feet = thickness in inches × width in inches × length in feet ÷ 12 × board count. Actual dimensions and nominal lumber names are different things.
Review the example assumptions and results
- Actual thickness
- 2 in
- Actual width
- 6 in
- Length
- 8 ft
- Board count
- 1
- Board feet
- 8
How this tool works
Adjust the labeled inputs to see a new calculation. Units and assumptions are shown beside each field. Printed and copied results use the same calculation.
This is a planning estimate, not a structural design, permit document or binding quote. Check product specifications and actual site measurements.
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