Lumber Weight

How much does Tamarack lumber weigh?

A Tamarack 2×4, 8 ft weighs 10.8 lb (4.9 kg) at 12% moisture content, kiln-dried.

37.2 lb/ft³ · 5.33 bd ft ·

Tamarack is a softwood with a basic specific gravity of 0.49 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 37.2 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 590 lbf, the 21st hardest of the 46 species on this site. The Wood Handbook publishes only one green moisture figure for Tamarack: 49%. Total shrinkage from green to ovendry runs about 13.6% by volume.

Tamarack weight by size

Tamarack, 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″ 4.6 lb 0.58 lb/ft 6.2 lb
2×3 1-1/2″ × 2-1/2″ 7.7 lb 0.97 lb/ft 10.1 lb
2×4 1-1/2″ × 3-1/2″ 10.8 lb 1.35 lb/ft 14.1 lb
2×6 1-1/2″ × 5-1/2″ 17.0 lb 2.13 lb/ft 22.3 lb
2×8 1-1/2″ × 7-1/4″ 22.4 lb 2.81 lb/ft 29.7 lb
2×10 1-1/2″ × 9-1/4″ 28.6 lb 3.58 lb/ft 37.6 lb
2×12 1-1/2″ × 11-1/4″ 34.8 lb 4.35 lb/ft 45.5 lb
4×4 3-1/2″ × 3-1/2″ 25.3 lb 3.16 lb/ft 32.1 lb

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

Related