Convert Petrograd standards to Board feet
Convert Petrograd standards (Pet. std) to Board feet (bf) instantly and accurately.
Conversion Formula
bf = Pet. std × 1980
About Petrograd standards
The Petrograd standard (St Petersburg standard) = 165 ft³ = 4.6723 m³, representing 120 pieces of dressed Baltic softwood 12 ft × 11 in × 1.5 in = 165 ft³ exactly. Dominated 18th-19th century Baltic-to-Britain sawn-timber export trade from St Petersburg, Riga, and Danzig. Replaced by m³ in UK trade during 1970s metrication. 1 Petrograd standard = 165 ft³ = 4.6723 m³ ≈ 1,980 bf.
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.
Quick Reference Table
| Petrograd standards (Pet. std) | Board feet (bf) |
|---|---|
| 1 Pet. std | 1980 bf |
| 2 Pet. std | 3960 bf |
| 5 Pet. std | 9900 bf |
| 10 Pet. std | 19800 bf |
| 25 Pet. std | 49500 bf |
| 50 Pet. std | 99000 bf |
| 100 Pet. std | 198000 bf |