Printable doyle log scale chart 2025

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  1. Click ‘Get Form’ to open the printable doyle log scale chart in the editor.
  2. Begin by identifying the diameter at breast height (DBH) of your logs, which is listed in the first column. This measurement is crucial for determining the volume.
  3. Locate the corresponding row for your DBH measurement. Each row provides a volume estimate based on the number of merchantable 16-foot logs.
  4. Fill in any additional notes or calculations directly on the chart using our platform's text tools, ensuring all relevant data is captured.
  5. Once completed, save your document and export it as needed, utilizing our platform’s seamless integration with Google Workspace for easy sharing.

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The Doyle Rule (Table 1) is the most widely used rule, especially on private timber in the east and south. The formula is simple and easy to remember. This formula says to subtract four inches from the diameter for slabs and edgings, square the result, and adjust for log length. Log taper is ignored.
The net lumber tally is plotted against both the Doyle and Scribner scales in the accompanying chart. As will be seen, the Doyle scale gives an exceptionally large overrun for small logs. The Scribner scale is more accurate than the Doyle scale for small logs but gives too small results for large logs.
0:54 4:22 You on larger logs. It does even itself out and it gets way more accurate. So to use the scale. YouMoreYou on larger logs. It does even itself out and it gets way more accurate. So to use the scale. You want to find the small end of the log.
Tree and Log Scale Sticks are available in three scales: Doyle, Scribner and International 1/4˝ scales. It is recommended that you use a scale common to your area, especially if you are using the measurements as a basis for selling timber.
The Doyle rule estimates lumber recovery based on log diameter, length, residue, and saw kerf. However, slab and edging volume is overestimated for smaller logs and underestimated for larger logs. Thus, Doyle heavily favors the log buyer, as it underestimates log volumes for the majority of logs (those under 28 in.).