Lumber Weight

How much does Western Larch lumber weigh?

A Western Larch 2×4, 8 ft weighs 10.6 lb (4.8 kg) at 12% moisture content, kiln-dried.

36.3 lb/ft³ · 5.33 bd ft ·

Western Larch is a softwood with a basic specific gravity of 0.48 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 36.3 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 830 lbf, the 15th hardest of the 46 species on this site. Green, freshly cut moisture content runs 54% in the heartwood to 119% in the sapwood. Total shrinkage from green to ovendry runs about 14% by volume.

Western Larch weight by size

Western Larch, 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″ 4.5 lb 0.57 lb/ft 6.3–8.9 lb
2×3 1-1/2″ × 2-1/2″ 7.6 lb 0.95 lb/ft 10.3–14.6 lb
2×4 1-1/2″ × 3-1/2″ 10.6 lb 1.32 lb/ft 14.3–20.3 lb
2×6 1-1/2″ × 5-1/2″ 16.7 lb 2.08 lb/ft 22.5–32.0 lb
2×8 1-1/2″ × 7-1/4″ 22.0 lb 2.74 lb/ft 30.0–42.7 lb
2×10 1-1/2″ × 9-1/4″ 28.0 lb 3.50 lb/ft 38.1–54.1 lb
2×12 1-1/2″ × 11-1/4″ 34.1 lb 4.26 lb/ft 46.1–65.5 lb
4×4 3-1/2″ × 3-1/2″ 24.7 lb 3.09 lb/ft 32.5–46.3 lb
6×6 5-1/2″ × 5-1/2″ 61.1 lb 7.63 lb/ft 77.6–110 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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