Lumber Weight

How much does Western White Pine lumber weigh?

A W. White Pine 2×4, 8 ft weighs 7.6 lb (3.4 kg) at 12% moisture content, kiln-dried.

25.9 lb/ft³ · 5.33 bd ft ·

Western White Pine is a softwood with a basic specific gravity of 0.35 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 25.9 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 420 lbf, the 37th hardest of the 46 species on this site. Green, freshly cut moisture content runs 62% in the heartwood to 148% in the sapwood. Total shrinkage from green to ovendry runs about 11.8% by volume.

Western White Pine weight by size

Western White Pine, one piece, 8 ft at 12% MC unless noted
SizeActual (dry)8 ft, 12% MCPer footGreen range
1×2 3/4″ × 1-1/2″ 1.6 lb 0.20 lb/ft 2.4–3.7 lb
1×3 3/4″ × 2-1/2″ 2.7 lb 0.34 lb/ft 3.9–6.0 lb
1×4 3/4″ × 3-1/2″ 3.8 lb 0.47 lb/ft 5.5–8.4 lb
1×6 3/4″ × 5-1/2″ 5.9 lb 0.74 lb/ft 8.6–13.2 lb
1×8 3/4″ × 7-1/4″ 7.8 lb 0.98 lb/ft 11.5–17.6 lb
1×10 3/4″ × 9-1/4″ 10.0 lb 1.25 lb/ft 14.6–22.3 lb
1×12 3/4″ × 11-1/4″ 12.1 lb 1.52 lb/ft 17.7–27.0 lb
2×2 1-1/2″ × 1-1/2″ 3.2 lb 0.40 lb/ft 4.8–7.3 lb
2×3 1-1/2″ × 2-1/2″ 5.4 lb 0.67 lb/ft 7.9–12.1 lb
2×4 1-1/2″ × 3-1/2″ 7.6 lb 0.94 lb/ft 10.9–16.8 lb
2×6 1-1/2″ × 5-1/2″ 11.9 lb 1.48 lb/ft 17.3–26.5 lb
2×8 1-1/2″ × 7-1/4″ 15.7 lb 1.96 lb/ft 23.0–35.3 lb
2×10 1-1/2″ × 9-1/4″ 20.0 lb 2.50 lb/ft 29.2–44.7 lb
2×12 1-1/2″ × 11-1/4″ 24.3 lb 3.04 lb/ft 35.3–54.1 lb
4×4 3-1/2″ × 3-1/2″ 17.6 lb 2.20 lb/ft 25.0–38.2 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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