Most scientifically accurate US log rule. Accounts for 1/4-inch saw kerf and log taper per 8-ft section. Standard for high-value hardwoods, research timber sales and export documentation.
1/4 inch Kerf Board Foot Calculator
| Section | Diameter | BF This Section | Cumulative BF |
|---|
Developed by the Lake States Experiment Station. The most accurate log scaling method - calculates board feet from each 8-ft section independently, accounting for taper and saw kerf. Preferred for high-value hardwood timber sales, forestry research and international export documentation.