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The Dozenal Society of America
The DSA is a voluntary, nonprofit education corporation, organized for the conduct of research and education of the public in the use of dozenal (also called duodecimal or base-twelve) in calculations, mathematics, weights and measures, and other branches of pure and applied science.

TGM Measurement Tools

Name: TGM Measurement Tools
Type: guide
Summary: Sheets and guides for easily producing TGM measurement tools, such as rulers, scales, measuring spoons and cups, and so forth
Author: Donald P. Goodman III
Nature: Download

A set of sheets and guides which provide easy ways to make measurement tools for using TGM, a coherent dozenal metric system. This includes rulers; weight/mass scales; measuring spoons; and measuring cups, with more to come.

  • TGM Clocks: Very easy to make and build. Print out the following and attach it to your clock; if it's the wrong size, download the image, resize it appropriately, and do the same. Dozenal Clock Sheet | Dozenal Clockface Image
  • TGM Rulers: Likely the easiest to produce. Simply print out the following and follow the directions; provided in three paper sizes for your convenience. US Letter | US Legal | A4
  • TGM Measuring Spoons and Measuring Cups: Also very simple to do. Print out the following and follow the directions. Only one paper size here, as linear scale doesn't matter for this purpose. Measuring Cup and Measuring Spoon Sheet