Convert Board feet to Cubic feet

Convert Board feet (bf) to Cubic feet (ft³) instantly and accurately.

Board feet (bf)
Cubic feet (ft³)

Conversion Formula

ft³ = bf × 0.08333333333

About Board feet

The board foot (bf) is the standard lumber-trade unit in the USA, Canada, and the Philippines: 1 ft × 1 ft × 1 in = 144 in³ = 0.002359737216 m³ (exact). Always calculated from nominal dimensions - a 1×6×8 ft board = 4 bf nominal, actual dressed volume is less. Hardwood lumber priced from ~$2/bf (common poplar) to $100+/bf (premium walnut). Log rules: Doyle (SE USA), Scribner (Pacific NW), International ΒΌ-inch (most accurate). 1 bf = 144 in³ = 0.00236 m³ ≈ 1/12 ft³.

About Cubic feet

The cubic foot (ft³) = 0.028316846592 m³ (exact) - the primary US lumber volume unit for large structural timber; also underlies the cord (128 ft³) and board foot (1 bf = 1/12 ft³ nominal). US Forest Service sale contracts specify cruise volumes in Mbf or ft³. Export docs for EU/Asia convert to m³: 1 m³ = 35.315 ft³. 1 ft³ = 0.02832 m³ = 1,728 in³ ≈ 12 bf.

Quick Reference Table

Board feet (bf)Cubic feet (ft³)
1 bf0.0833333 ft³
2 bf0.166667 ft³
5 bf0.416667 ft³
10 bf0.833333 ft³
25 bf2.08333 ft³
50 bf4.16667 ft³
100 bf8.33333 ft³

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