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Ring Size Converter
转换器Standardize ring sizes across regions and diameters.
ttb run ring-size
US / Canada
7
UK / Australia
O
Europe (EU)
54.5
Japan / China
14
Inside Diameter
17.3 mm
Inside Circumference
54.4 mm
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如何使用 Ring Size Converter
Measure the inner diameter or circumference of an existing ring, or wrap a strip of paper around your finger. Enter the measurement in millimeters. The tool converts to US, UK, EU, and Japanese ring size standards. Includes a printable ring sizer guide for accurate home measurement.
1
Enter your parameters
Configure the inputs for the Ring Size according to your specific needs.
2
View real-time results
The utility instantly processes your request and displays the calculated outputs directly in your browser.
3
Copy or Download
Click the copy icon next to the final output to instantly grab the result, or export it if applicable.
常见问题
What is the most common ring size?+
For women's engagement rings, sizes 5-7 (US) are most common, with size 6 being the average. For men's rings, sizes 8-12 are typical, with size 10 being the average. Finger size can vary with temperature, time of day, and diet.
How do I measure secretly for an engagement ring?+
Borrow a ring they wear on the correct finger, trace the inside on paper, or press it into soap to capture the impression. You can also compare their ring against a US ring size chart. When in doubt, size up - rings are easier to make smaller.