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Calculator Instructions

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

Instructions: Log Volume Calculator

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.

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)

Log Scale:
You must choose one of the three log scales listed. For more on log scales, see notes below.

Detailed reference material regarding the calculation of Log Volume can be accessed via the links below. If you have any questions regarding the methodology used in WOODWEB's Log Volume calculator, we suggest that you post your question at our
Sawing and Drying Forum.

  • Measuring Logs and Lumber
  • Logs Volume

    Click Here to Access the Log Volume Calculator

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