Timber Volume Calculator
Calculate log board feet using Doyle, Scribner, or International 1/4-Inch log rules from log diameter and length.
Inputs
inches
feet
Results
Board Feet
144 BF
Log Rule UsedDoyle
Cubic Volume22.3 ft³
Doyle Scale144 BF
Scribner Scale166 BF
International Scale738 BF
Lumber Recovery54%
How to Use This Calculator
- Enter the Log Diameter at the small end in inches and the Log Length in feet.
- Select the Log Rule: Doyle (common for hardwoods), Scribner (softwoods), or International 1/4-Inch (most accurate).
- Review Board Feet under your chosen rule and compare all three scales in the chart.
- Check Cubic Volume and Lumber Recovery percentage to understand wood utilization efficiency.
- Use the Board Feet by Diameter chart to quickly look up yield for other log sizes at the same length.
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