Lumber Weight Calculator

Calculate the weight of lumber by species, dimensions, and quantity. Covers 9 softwood and hardwood species.

โš–๏ธ Lumber Weight Calculator

Results

Actual Size1.50 ร— 5.50 in
Weight per Piece12.8 lbs
Total Weight128.33 lbs
ByPRIYA SHARMAโ€ขUpdated April 20, 2026
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Reviewed byDR. RAJIV NAIR
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Fact checked byNEHA KAPOOR

๐Ÿ’ก How to Calculate Lumber Weight

Lumber weight depends on species, dimensions, and moisture content. Each species has a different density measured in pounds per cubic foot at 12% moisture content. Common softwoods range from 23 lb/cf (cedar) to 36 lb/cf (southern pine). Hardwoods range from 35 lb/cf (cherry) to 47 lb/cf (oak).

Calculate volume using actual (not nominal) dimensions. A nominal 2ร—6 is actually 1.5 ร— 5.5 inches. Multiply the actual cross-section by length to get volume, then multiply by density. Green (wet) lumber weighs significantly more than kiln-dried lumber.

Ten 2ร—6 SPF boards, 8 ft long: actual size 1.5 ร— 5.5 in. Volume each = 0.382 cu ft. Weight each = 10.7 lbs. Total = 107 lbs.

Lumber Weight Calculator FAQ