Which price scale is used to quote the price of logs in the example?

• A. International 1/4" Scale
• B. Scribner Scale
• C. Doyle Scale (Correct)
• D. Merchantable Scale

Answer: (C)

Pricing logs relies on a rule that converts a log’s dimensions into a volume (board feet) so a price can be quoted. The Doyle scale is one of these rules and it does this by applying a fixed adjustment to the small-end diameter before calculating volume from diameter and length. This approach is common for hardwood log pricing because it tends to align with the actual lumber yield for many small-to-medium logs, producing a practical, market-friendly estimate.

In the example, the numbers line up with what the Doyle rule produces for the given diameter and length, so the quoted price matches the Doyle calculation. Other scales would yield different volumes for the same log and thus different prices, which is why they don’t fit the example as well.