Here, our free ring size converter shows the correct value in the EU, UK, France, Germany, Italy, Japan, and the USA.
Table of Contents
The article was last updated on 16/05/2024
How to use our ring size converter
You only need to input the ring size diameter in mm. One easy way to find the diameter is to use a string and count the diameter with a ruler or measuring tape.
Ring Size Converter
How to find the ring diameter
If you can not measure the diameter, you can measure the circumference and use the table below to find the correct diameter value.
| Circumefrence mm | Diameter mm |
| 37.8 | 12.04 |
| 39.1 | 12.45 |
| 40.4 | 12.85 |
| 41.7 | 13.26 |
| 42.9 | 13.67 |
| 44.2 | 14.07 |
| 45.5 | 14.48 |
| 46.8 | 14.88 |
| 48 | 15.29 |
| 48.7 | 15.49 |
| 50 | 15.9 |
| 51.2 | 16.31 |
| 52.5 | 16.71 |
| 53.8 | 17.12 |
| 55.1 | 17.53 |
| 56.3 | 17.93 |
| 57.6 | 18.34 |
| 59.9 | 18.75 |
| 60.2 | 19.15 |
| 61.4 | 19.56 |
| 62.7 | 19.96 |
| 64 | 20.37 |
| 65.3 | 20.78 |
| 66.6 | 21.18 |
| 67.8 | 21.59 |
| 68.5 | 21.79 |
Ring size tools
There are many ring-size tools on the market. You can even make your own from paper. But the more professional ones are made from aluminum and will last forever.
Check the above at amazon.com.
Frequently Asked Questions
How often should I measure my ring size?
It’s a good idea to measure your ring size periodically, as factors such as weight fluctuations, temperature, and humidity can affect the fit of your rings.
What if I receive a ring that doesn’t fit even after using the converter tool?
If you encounter any issues with the fit of a ring you’ve purchased, we recommend contacting the seller or manufacturer for assistance. They may be able to offer guidance on resizing options.
I don’t know my current ring size. What should I do?
If you’re unsure about your current ring size, we recommend visiting a local jeweler who can provide professional sizing. You can then use the converter tool to find your size in other regions.
Is this tool suitable for all types of rings, including engagement rings and wedding bands?
Our ring size converter tool is designed for various rings, including engagement rings, wedding bands, and other jewelry.
Can I trust the converted size to be accurate for all brands and styles?
While our tool provides a reliable estimate, it’s important to remember that different brands and styles may have slight variations in sizing. Always refer to the manufacturer’s sizing guide for the most accurate information.
How accurate is the ring size converter tool?
We have taken great care to ensure the accuracy of our converter tool. However, please remember that sizing standards may vary slightly between manufacturers. For the most precise fit, we recommend visiting a jeweler for professional sizing.
How does the ring size converter tool work?
Our ring size converter tool uses international sizing standards to help you find the correct ring size in different regions, including the EU, UK, France, Germany, Italy, Japan, and the USA. Input your current ring size; the tool will provide the corresponding dimensions in the regions mentioned.
Pashalis Laoutaris
I am a professional writer, fashion blogger, and owner of the site https://laoutaris.com. I have over 20 years of experience as a salesperson in the fashion industry and 10 years of experience as a fashionista. I consider myself a true fashionista. I write daily blog articles about fashion, tools and converters, and everything you need to know about current trends.
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