How much does Hem-Fir (Western Hemlock) lumber weigh?
A Hem-Fir 2×4, 8 ft weighs at 12% moisture content, kiln-dried.
31.5 lb/ft³ · 5.33 bd ft ·
Hem-Fir (Western Hemlock) is a softwood with a basic specific gravity of 0.42 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 31.5 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 540 lbf, the 24th hardest of the 46 species on this site. Green, freshly cut moisture content runs 85% in the heartwood to 170% in the sapwood. Total shrinkage from green to ovendry runs about 12.4% by volume.
Hem-Fir (Western Hemlock) weight by size
| Size | Actual (dry) | 8 ft, 12% MC | Per foot | Green range |
|---|---|---|---|---|
| 1×2 | 3/4″ × 1-1/2″ | 2.0 lb | 0.25 lb/ft | 3.3–4.8 lb |
| 1×3 | 3/4″ × 2-1/2″ | 3.3 lb | 0.41 lb/ft | 5.4–7.9 lb |
| 1×4 | 3/4″ × 3-1/2″ | 4.6 lb | 0.57 lb/ft | 7.5–10.9 lb |
| 1×6 | 3/4″ × 5-1/2″ | 7.2 lb | 0.90 lb/ft | 11.8–17.3 lb |
| 1×8 | 3/4″ × 7-1/4″ | 9.5 lb | 1.19 lb/ft | 15.8–23.0 lb |
| 1×10 | 3/4″ × 9-1/4″ | 12.1 lb | 1.52 lb/ft | 20.0–29.2 lb |
| 1×12 | 3/4″ × 11-1/4″ | 14.8 lb | 1.84 lb/ft | 24.2–35.3 lb |
| 2×2 | 1-1/2″ × 1-1/2″ | 3.9 lb | 0.49 lb/ft | 6.6–9.6 lb |
| 2×3 | 1-1/2″ × 2-1/2″ | 6.6 lb | 0.82 lb/ft | 10.8–15.7 lb |
| 2×4 | 1-1/2″ × 3-1/2″ | 9.2 lb | 1.15 lb/ft | 15.0–21.9 lb |
| 2×6 | 1-1/2″ × 5-1/2″ | 14.4 lb | 1.80 lb/ft | 23.7–34.6 lb |
| 2×8 | 1-1/2″ × 7-1/4″ | 19.0 lb | 2.38 lb/ft | 31.6–46.1 lb |
| 2×10 | 1-1/2″ × 9-1/4″ | 24.3 lb | 3.03 lb/ft | 40.0–58.4 lb |
| 2×12 | 1-1/2″ × 11-1/4″ | 29.5 lb | 3.69 lb/ft | 48.4–70.7 lb |
| 4×4 | 3-1/2″ × 3-1/2″ | 21.4 lb | 2.68 lb/ft | 34.2–49.9 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: Baldcypress (SG 0.42) · Denser: Douglas Fir (SG 0.45)