Last updated: March 2026
Calculate board feet, estimate costs, and convert lumber dimensions with precision
| Nominal Size | Actual Size (inches) | Board Feet per Linear Foot | Common Uses |
|---|---|---|---|
| 1×2 | 0.75" × 1.5" | 0.094 | Trim, small projects |
| 1×3 | 0.75" × 2.5" | 0.156 | Trim, shelving |
| 1×4 | 0.75" × 3.5" | 0.219 | Trim, boards |
| 1×6 | 0.75" × 5.5" | 0.344 | Shelving, siding |
| 1×8 | 0.75" × 7.25" | 0.453 | Shelving, trim |
| 1×10 | 0.75" × 9.25" | 0.578 | Shelves, wide boards |
| 1×12 | 0.75" × 11.25" | 0.703 | Shelves, wide trim |
| 2×2 | 1.5" × 1.5" | 0.188 | Small framing |
| 2×3 | 1.5" × 2.5" | 0.313 | Light framing |
| 2×4 | 1.5" × 3.5" | 0.438 | Framing, studs |
| 2×6 | 1.5" × 5.5" | 0.688 | Floor joists, headers |
| 2×8 | 1.5" × 7.25" | 0.906 | Floor joists, rafters |
| 2×10 | 1.5" × 9.25" | 1.156 | Floor joists, beams |
| 2×12 | 1.5" × 11.25" | 1.406 | Large joists, beams |
| 4×4 | 3.5" × 3.5" | 1.021 | Posts, beams |
| 6×6 | 5.5" × 5.5" | 2.521 | Heavy posts, beams |