Convert Cord feet to Petrograd standards
Convert Cord feet (cord ft) to Petrograd standards (Pet. std) instantly and accurately.
Conversion Formula
Pet. std = cord ft × 0.09696969697
About Cord feet
A cord foot = 1/8 cord: a stack of firewood 4 ft wide × 4 ft tall × 1 ft deep = 16 ft³ = 0.45307 m³. Used in New England pulpwood purchasing and regulated by NIST Handbook 44. Actual solid wood content is only 60-80% of the nominal volume - the rest is air space between logs. 1 cord foot = 16 ft³ = 0.45307 m³ = 1/8 cord.
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
| Cord feet (cord ft) | Petrograd standards (Pet. std) |
|---|---|
| 1 cord ft | 0.0969697 Pet. std |
| 2 cord ft | 0.193939 Pet. std |
| 5 cord ft | 0.484848 Pet. std |
| 10 cord ft | 0.969697 Pet. std |
| 25 cord ft | 2.42424 Pet. std |
| 50 cord ft | 4.84848 Pet. std |
| 100 cord ft | 9.69697 Pet. std |