Convert Cubic feet to Petrograd standards
Convert Cubic feet (ft³) to Petrograd standards (Pet. std) instantly and accurately.
Conversion Formula
Pet. std = ft³ × 0.006060606061
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.
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.
Quick Reference Table
| Cubic feet (ft³) | Petrograd standards (Pet. std) |
|---|---|
| 1 ft³ | 0.00606061 Pet. std |
| 2 ft³ | 0.0121212 Pet. std |
| 5 ft³ | 0.030303 Pet. std |
| 10 ft³ | 0.0606061 Pet. std |
| 25 ft³ | 0.151515 Pet. std |
| 50 ft³ | 0.30303 Pet. std |
| 100 ft³ | 0.606061 Pet. std |