Convert Timber fathoms to Petrograd standards
Convert Timber fathoms (tim. fath.) to Petrograd standards (Pet. std) instantly and accurately.
Conversion Formula
Pet. std = tim. fath. × 1.309090909
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 Superseded by ft³ and load by late 19th century. 1 timber fathom = 216 ft³ = 6.1164 m³ ≈ 2,592 bf.
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
| Timber fathoms (tim. fath.) | Petrograd standards (Pet. std) |
|---|---|
| 1 tim. fath. | 1.30909 Pet. std |
| 2 tim. fath. | 2.61818 Pet. std |
| 5 tim. fath. | 6.54545 Pet. std |
| 10 tim. fath. | 13.0909 Pet. std |
| 25 tim. fath. | 32.7273 Pet. std |
| 50 tim. fath. | 65.4545 Pet. std |
| 100 tim. fath. | 130.909 Pet. std |