Convert your ring size to centimeters. cm = circumference in centimeters. To convert ring size to centimeters, multiply your ring size by 2.54. This will give you the circumference of your ring in centimeters. Here is a chart of common ring sizes in both centimeters and inches: Size Circumference (cm) Circumference (in) 4 4.3 1.69. 4.5 4.6 1.81.

Home › Ring Size Conversion Chart Determine your ring size with our conversion chart. Conversions are available for United Kingdom, France, Russia, German, Swiss, Japan and United States ring sizes.

Let's say you measured a length of around 5.6 centimeters. All you have to do now is find the next closest inside circumference value in our converter. In this case, we have there 5.645 cm. Select that value, and our cm-to-ring size converter will give you 7 3/4 (for US & Canada ring size) and P 1/2 (for UK & Australia ring size).
Other traditional and regional systems. Other ring size measurement systems are used in areas that do not use ISO 8653:2016. North America. In the United States, Canada, and Mexico, ring sizes are specified using a numerical scale with 1 ⁄ 4 steps, where whole sizes differ by 0.032 inches (0.81 mm) of internal diameter, equivalent to 0.1005 inches (2.55 mm) of internal circumference.
Men's Rings Girls' Rings Boys' Rings Use our Ring Size Calculator to find your correct size easily. Shop Fashion Deals at Amazon.com [AD] Ring Size Chart For adults and children. Note: U.S. size is also used in Canada and Mexico. How to Find Your Ring Size There are several ways: By using a ring size stencil
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6 6 cm ring size