When it comes to finding the right ring size, there’s more to it than meets the eye! Different countries use different sizing systems, so if you’re shopping internationally or buying a ring for someone abroad, understanding how sizes convert is essential. Here’s a quick guide to help you find your size with confidence, plus a helpful conversion chart that maps sizes from the UK, USA, Canada, Australia, Europe, and beyond.
Why Ring Sizes Differ?
In the UK, rings are traditionally sized with letters, whereas in the US and Canada use numbers. Continental Europe, France, Germany, and other parts of the world often rely on measurements based on millimetres, either by circumference or diameter. The Japanese system uses a unique set of numbers, while Switzerland has a system of its own. Knowing how these sizes convert can take the guesswork out of buying rings internationally.
How to Measure Your Ring Size
To measure your ring size accurately, start by wrapping a piece of string or a strip of paper snugly around the base of your finger *. Mark where the ends meet, then use a ruler to measure the length (in millimetres). Use this measurement to match the circumference column on the conversion chart to find your ring size in different regions.
OR purchase a Finger measuring tool online that will almost certainly be the correct measurement
Pro Tips:
- Measure your finger at the end of the day when it's warm, as fingers can vary in size throughout the day or with temperature changes.
*If you have larger knuckles, measure the knuckle not the base of your finger
- If you’re between sizes, it’s usually best to go with the larger size for comfort, especially if the ring is a thicker band.
Conversion Chart for Ring Sizes Around the World
To make things easier, here’s a conversion chart that covers British, Australian, US & Canadian, French, German, Japanese, and Swiss sizes, as well as ring diameter and circumference in millimetres. Whether you’re buying a ring for yourself or as a gift, this chart makes it simple to find the right size in any system.
RECOMMENDED: The best way to measure your finger is to go to your local jeweller, but make sure you know the style of the ring you are measuring for as an engagement ring with thin band will have a different size to a 6mm wedding band.
Expanded Ring Size Conversion Chart
DOWNLOAD PDF LINK BELOW AND PRINT AT HOME
(NOT FOR RESELL)
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