Lumber Weight

How much does Eastern Hemlock lumber weigh?

An Eastern Hemlock 2×4, 8 ft weighs 8.2 lb (3.7 kg) at 12% moisture content, kiln-dried.

28.3 lb/ft³ · 5.33 bd ft ·

Eastern Hemlock is a softwood with a basic specific gravity of 0.38 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 28.3 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 500 lbf, the 29th hardest of the 46 species on this site. Green, freshly cut moisture content runs 97% in the heartwood to 119% in the sapwood. Total shrinkage from green to ovendry runs about 9.7% by volume.

Eastern Hemlock weight by size

Eastern Hemlock, one piece, 8 ft at 12% MC unless noted
SizeActual (dry)8 ft, 12% MCPer footGreen range
2×2 1-1/2″ × 1-1/2″ 3.5 lb 0.44 lb/ft 6.3–7.0 lb
2×3 1-1/2″ × 2-1/2″ 5.9 lb 0.74 lb/ft 10.4–11.6 lb
2×4 1-1/2″ × 3-1/2″ 8.2 lb 1.03 lb/ft 14.5–16.1 lb
2×6 1-1/2″ × 5-1/2″ 13.0 lb 1.62 lb/ft 22.8–25.4 lb
2×8 1-1/2″ × 7-1/4″ 17.1 lb 2.14 lb/ft 30.4–33.8 lb
2×10 1-1/2″ × 9-1/4″ 21.8 lb 2.72 lb/ft 38.5–42.8 lb
2×12 1-1/2″ × 11-1/4″ 26.5 lb 3.31 lb/ft 46.7–51.9 lb
4×4 3-1/2″ × 3-1/2″ 19.2 lb 2.41 lb/ft 33.0–36.6 lb

Board-to-board variation of ±10-15% is normal even within one species and size. How these numbers are computed.

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