How much does Balsam Fir lumber weigh?
A Balsam Fir 2×4, 8 ft weighs at 12% moisture content, kiln-dried.
24.4 lb/ft³ · 5.33 bd ft ·
Balsam Fir is a softwood with a basic specific gravity of 0.33 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 24.4 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 380 lbf, the 41st hardest of the 46 species on this site. Green, freshly cut moisture content runs 88% in the heartwood to 173% in the sapwood. Total shrinkage from green to ovendry runs about 11.2% by volume.
Balsam Fir weight by size
| Size | Actual (dry) | 8 ft, 12% MC | Per foot | Green range |
|---|---|---|---|---|
| 2×2 | 1-1/2″ × 1-1/2″ | 3.0 lb | 0.38 lb/ft | 5.3–7.6 lb |
| 2×3 | 1-1/2″ × 2-1/2″ | 5.1 lb | 0.63 lb/ft | 8.6–12.5 lb |
| 2×4 | 1-1/2″ × 3-1/2″ | 7.1 lb | 0.89 lb/ft | 12.0–17.4 lb |
| 2×6 | 1-1/2″ × 5-1/2″ | 11.2 lb | 1.40 lb/ft | 18.9–27.5 lb |
| 2×8 | 1-1/2″ × 7-1/4″ | 14.7 lb | 1.84 lb/ft | 25.2–36.6 lb |
| 2×10 | 1-1/2″ × 9-1/4″ | 18.8 lb | 2.35 lb/ft | 31.9–46.4 lb |
| 2×12 | 1-1/2″ × 11-1/4″ | 22.8 lb | 2.85 lb/ft | 38.7–56.1 lb |
| 4×4 | 3-1/2″ × 3-1/2″ | 16.6 lb | 2.07 lb/ft | 27.3–39.7 lb |
Board-to-board variation of ±10-15% is normal even within one species and size. How these numbers are computed.
Related
- All species: wood species index
- By density: Lighter: Basswood (SG 0.32) · Denser: Engelmann Spruce (SG 0.33)