Quickly and accurately calculate lumber volume in board feet for your woodworking or construction projects.
Input the thickness (in inches), width (in inches), and length (in feet) of your lumber piece.
Enter the number of pieces you have with the same dimensions. The default is 1.
Click the "Calculate Board Feet" button to get your results, including total board feet and per piece calculation.
| Nominal Size | Actual Size | Board Feet per Linear Foot | Common Uses |
|---|---|---|---|
| 1x2 | 3/4" × 1-1/2" | 0.125 | Trim, framing, shelving |
| 1x4 | 3/4" × 3-1/2" | 0.292 | Shelving, trim, fence boards |
| 1x6 | 3/4" × 5-1/2" | 0.458 | Flooring, paneling, decking |
| 2x4 | 1-1/2" × 3-1/2" | 0.583 | Wall framing, beams |
| 2x6 | 1-1/2" × 5-1/2" | 0.917 | Floor joists, roof rafters |
| 4x4 | 3-1/2" × 3-1/2" | 1.021 | Posts, columns, railings |