Convert Board feet to Hoppus feet
Convert Board feet (bf) to Hoppus feet (H ft) instantly and accurately.
Conversion Formula
H ft = bf × 0.1061032954
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 Hoppus feet
The Hoppus foot (H ft) is a British-Commonwealth round-log unit devised by Edward Hoppus (1736): V(H ft) = (girth/4 in)² × length/ft, yielding Ο€/4 of the true cylindrical volume ≈ 78.54% - the usable square-sawn fraction. Replaced by m³ in UK trade (1963) but still used in Sri Lanka, Malaysia, Myanmar, and Bangladesh. 1 H ft = Ο€/4 ft³ ≈ 0.02224 m³.
Quick Reference Table
| Board feet (bf) | Hoppus feet (H ft) |
|---|---|
| 1 bf | 0.106103 H ft |
| 2 bf | 0.212207 H ft |
| 5 bf | 0.530516 H ft |
| 10 bf | 1.06103 H ft |
| 25 bf | 2.65258 H ft |
| 50 bf | 5.30516 H ft |
| 100 bf | 10.6103 H ft |