**How do I measure board feet in my logs?**

**What is a Log S****cale****?**

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A method for calculating wood volume in a tree or log by using its diameter and length.Since the beginning of mechanical sawmill constructionhundreds of log rules have been developed, using a variety of methods. Some were based upon the lumber tallies of individual mills, others were developed by diagramming the cross-section of boards in the ends of logs, while still others were developed using mathematical formulas. In general, log scales must account for the taper that exists in all logs, saw kerf (or the loss of wood as sawdust), and a fixed procedure for removing wood on the outside of the logs (waste). The Doyle, Scribner, and International log scales are probably the most widely used scales in the United States.

** Scribner Log Scale **See a Scribner scale at the bottom of this page.

The most common method used is the Scribner Log Volume Table (below).

Other methods include the Doyl and International scale or tables.

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