Lumber Weight

How much does Ponderosa Pine lumber weigh?

A Ponderosa Pine 2×4, 8 ft weighs 8.2 lb (3.7 kg) at 12% moisture content, kiln-dried.

28.3 lb/ft³ · 5.33 bd ft ·

Ponderosa Pine is a softwood with a basic specific gravity of 0.38 (ovendry mass over green volume, USDA Wood Handbook Table 5-3b) — 28.3 lb/ft³ once dried to 12% moisture content. Its Janka side hardness is 460 lbf, the 35th hardest of the 46 species on this site. Green, freshly cut moisture content runs 40% in the heartwood to 148% in the sapwood. Total shrinkage from green to ovendry runs about 9.7% by volume.

Ponderosa Pine weight by size

Ponderosa 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″ 1.8 lb 0.22 lb/ft 2.3–4.0 lb
1×3 3/4″ × 2-1/2″ 2.9 lb 0.37 lb/ft 3.7–6.5 lb
1×4 3/4″ × 3-1/2″ 4.1 lb 0.52 lb/ft 5.1–9.1 lb
1×6 3/4″ × 5-1/2″ 6.5 lb 0.81 lb/ft 8.1–14.4 lb
1×8 3/4″ × 7-1/4″ 8.5 lb 1.07 lb/ft 10.8–19.2 lb
1×10 3/4″ × 9-1/4″ 10.9 lb 1.36 lb/ft 13.7–24.3 lb
1×12 3/4″ × 11-1/4″ 13.3 lb 1.66 lb/ft 16.6–29.4 lb
2×2 1-1/2″ × 1-1/2″ 3.5 lb 0.44 lb/ft 4.5–8.0 lb
2×3 1-1/2″ × 2-1/2″ 5.9 lb 0.74 lb/ft 7.4–13.1 lb
2×4 1-1/2″ × 3-1/2″ 8.2 lb 1.03 lb/ft 10.3–18.2 lb
2×6 1-1/2″ × 5-1/2″ 13.0 lb 1.62 lb/ft 16.2–28.7 lb
2×8 1-1/2″ × 7-1/4″ 17.1 lb 2.14 lb/ft 21.6–38.3 lb
2×10 1-1/2″ × 9-1/4″ 21.8 lb 2.72 lb/ft 27.4–48.5 lb
2×12 1-1/2″ × 11-1/4″ 26.5 lb 3.31 lb/ft 33.2–58.7 lb
4×4 3-1/2″ × 3-1/2″ 19.2 lb 2.41 lb/ft 23.4–41.5 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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