Lumber Weight

How much does Yellow Birch lumber weigh?

A Yellow Birch 1×2, 8 ft weighs 2.6 lb (1.2 kg) at 12% moisture content, kiln-dried.

42.1 lb/ft³ · 1.33 bd ft ·

Yellow Birch is a hardwood with a basic specific gravity of 0.55 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 42.1 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 1,260 lbf, the 8th hardest of the 46 species on this site. Green, freshly cut moisture content runs 74% in the heartwood to 72% in the sapwood. Total shrinkage from green to ovendry runs about 16.8% by volume.

Yellow Birch weight by size

Yellow Birch, one piece, 8 ft at 12% MC unless noted
SizeActual (dry)8 ft, 12% MCPer footGreen range
1×2 3/4″ × 1-1/2″ 2.6 lb 0.33 lb/ft 4.0 lb
1×3 3/4″ × 2-1/2″ 4.4 lb 0.55 lb/ft 6.6–6.6 lb
1×4 3/4″ × 3-1/2″ 6.1 lb 0.77 lb/ft 9.1–9.2 lb
1×6 3/4″ × 5-1/2″ 9.7 lb 1.21 lb/ft 14.4–14.6 lb
1×8 3/4″ × 7-1/4″ 12.7 lb 1.59 lb/ft 19.2–19.4 lb
1×10 3/4″ × 9-1/4″ 16.2 lb 2.03 lb/ft 24.4–24.6 lb
1×12 3/4″ × 11-1/4″ 19.8 lb 2.47 lb/ft 29.5–29.8 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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