Lumber Weight

How much does Longleaf Pine lumber weigh?

A Longleaf Pine 2×4, 8 ft weighs 12.0 lb (5.5 kg) at 12% moisture content, kiln-dried.

41.3 lb/ft³ · 5.33 bd ft ·

Longleaf Pine is a softwood with a basic specific gravity of 0.54 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 41.3 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 870 lbf, the 12th hardest of the 46 species on this site. Green, freshly cut moisture content runs 31% in the heartwood to 106% in the sapwood. Total shrinkage from green to ovendry runs about 12.2% by volume.

Longleaf Pine weight by size

Longleaf Pine, 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″ 5.2 lb 0.65 lb/ft 6.0–9.4 lb
2×3 1-1/2″ × 2-1/2″ 8.6 lb 1.08 lb/ft 9.8–15.4 lb
2×4 1-1/2″ × 3-1/2″ 12.0 lb 1.51 lb/ft 13.7–21.5 lb
2×6 1-1/2″ × 5-1/2″ 18.9 lb 2.37 lb/ft 21.6–33.9 lb
2×8 1-1/2″ × 7-1/4″ 25.0 lb 3.12 lb/ft 28.8–45.2 lb
2×10 1-1/2″ × 9-1/4″ 31.8 lb 3.98 lb/ft 36.4–57.3 lb
2×12 1-1/2″ × 11-1/4″ 38.7 lb 4.84 lb/ft 44.1–69.3 lb
4×4 3-1/2″ × 3-1/2″ 28.1 lb 3.51 lb/ft 31.1–49.0 lb
6×6 5-1/2″ × 5-1/2″ 69.4 lb 8.68 lb/ft 74.2–117 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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