Convert Petrograd standards to Loads
Convert Petrograd standards (Pet. std) to Loads (load) instantly and accurately.
Conversion Formula
load = Pet. std × 4.125
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 Loads
The load (statutory load) is a traditional English round-timber unit = 40 ft³ = 1.13267 m³, established under the 1842 Weights and Measures Act. Used in Royal Navy timber procurement (oak, elm for warships) and 18th-19th-century estate forestry accounts. No longer a legal trade unit after the Weights and Measures Act 1963. 1 load = 40 ft³ = 1.1327 m³ ≈ 480 bf.
Quick Reference Table
| Petrograd standards (Pet. std) | Loads (load) |
|---|---|
| 1 Pet. std | 4.125 load |
| 2 Pet. std | 8.25 load |
| 5 Pet. std | 20.625 load |
| 10 Pet. std | 41.25 load |
| 25 Pet. std | 103.125 load |
| 50 Pet. std | 206.25 load |
| 100 Pet. std | 412.5 load |