Lumber Calculator
Calculate board feet and lumber quantities
in
in
ft
Helpful Tips
- One board foot = 12" × 12" × 1"
- Nominal dimensions differ from actual (2×4 is actually 1.5" × 3.5")
- Buy 10-15% extra lumber for waste and defects
- Check lumber for straightness before purchasing
Formula Used
Board Feet = (Thickness × Width × Length) ÷ 144About This Calculator
Convert between board feet, linear feet, and piece counts. Calculate lumber needed for framing, shelving, and woodworking projects.