RING SIZE CONVERSION CHART
Ring Size Conversion Chart shows ring sizes in both mm and inches, plus internal diameter.
![](https://cdn.shopify.com/s/files/1/1364/9645/files/chart_3_-1_2048x2048.jpg?v=1659428989)
Ring size conversion for international ring sizes can vary slightly depending on the country and the specific sizing system used. The two most commonly used international ring size systems are:
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US Ring Size: This is the most common system in the United States and Canada, and it uses a numerical scale. Ring sizes typically range from US size 3 to 13.5, with half sizes available.
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UK Ring Size: The United Kingdom and Australia use a letter-based system. The sizes range from A (the smallest) to Z+3 (the largest).
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