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How Much Wood Will My Log Yield | Doyle Scale Calculator

The Doyle scale is the standard by which hardwood lumber is bought and sold. It estimates large or medium logs very close to the actual number but underestimates in smaller logs.

Diameter: Inches: Fractions:
Length:     Feet:     Inches:
No. of logs
this size:
           
Log Scale: Doyle   International   Scribner

 

Instructions: Log Volume Calculator

Diameter:

All the major log rules use the small end diameter, inside the bark, as the basic size measurement. If the log is not perfectly round, then two readings are taken at 90 degrees to each other and averaged.

Length:
The log length is the length to the last full foot (especially for hardwood logs). Do not round up to the next foot. Any inches entered will not be considered in the calculation. Softwoods are often measured to the last full even foot (i.e., 8, 10, 12, etc.).

Number of Logs:
Enter whole number values (no decimals or fractions)