Convert Steres to Petrograd standards
Convert Steres (st) to Petrograd standards (Pet. std) instantly and accurately.
Conversion Formula
Pet. std = st × 0.2140282832
About Steres
The stere (st) = exactly 1 m³ - a metric firewood unit from the 1793 French Republican system. Still used colloquially in France, Germany, and Switzerland: Ster/Raummeter (stacked m³), Festmeter (solid m³ = fm), SchΓΌttraummeter (loose chips ≈ 0.4 fm). One stacked stere contains ≈ 0.5-0.7 m³ of actual solid wood. 1 stere = 1 m³ = 35.315 ft³ ≈ 424 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
| Steres (st) | Petrograd standards (Pet. std) |
|---|---|
| 1 st | 0.214028 Pet. std |
| 2 st | 0.428057 Pet. std |
| 5 st | 1.07014 Pet. std |
| 10 st | 2.14028 Pet. std |
| 25 st | 5.35071 Pet. std |
| 50 st | 10.7014 Pet. std |
| 100 st | 21.4028 Pet. std |