Construction

Lumber Weight Calculator

Estimate the weight of lumber from board feet.

Calculated Output

Weight 583.33

Weight 264.6

Formula: weight = BF ÷ 12 × density

Step-by-Step Breakdown

1. Values used:

2. Board feet = 200 BF

3. Wood density = 35 lb/ft³

5. Weight = 583.33

6. Weight = 264.6

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The math behind it

1 board foot = 1/12 ft³ of wood, so weight (lb) = BF ÷ 12 × density. Dried pine ≈ 35 lb/ft³.

200 BF at 35 lb/ft³ → ~583 lb.

Green vs dry?

Fresh-cut lumber is much heavier due to water — use a higher density.