Convert Petrograd standards to Timber fathoms
Convert Petrograd standards (Pet. std) to Timber fathoms (tim. fath.) instantly and accurately.
Conversion Formula
tim. fath. = Pet. std × 0.7638888889
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 Timber fathoms
The timber fathom is an archaic Scottish/N.English unit = 6 ft × 6 ft × 6 ft = 216 ft³ = 6.1164 m³ (not to be confused with the nautical fathom of water depth = 6 ft length). Used in Scottish estate forestry and Lanarkshire mine pit-prop purchasing; surveyors stacked poles in a 6×6×6 ft crib to measure delivery. Superseded by ft³ and load by late 19th century. 1 timber fathom = 216 ft³ = 6.1164 m³ ≈ 2,592 bf.
Quick Reference Table
| Petrograd standards (Pet. std) | Timber fathoms (tim. fath.) |
|---|---|
| 1 Pet. std | 0.763889 tim. fath. |
| 2 Pet. std | 1.52778 tim. fath. |
| 5 Pet. std | 3.81944 tim. fath. |
| 10 Pet. std | 7.63889 tim. fath. |
| 25 Pet. std | 19.0972 tim. fath. |
| 50 Pet. std | 38.1944 tim. fath. |
| 100 Pet. std | 76.3889 tim. fath. |