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The International Size Reference Guide

Ring Size Chart, Japan, China & South America

Determine Japanese and Chinese ring size with our JP/CN Ring Size Chart

About Ring Size

Different jewelry rings size systems are used around the world. The ring size system found in the ring size chart on this page is used in the following countries:

Japan, China and South America (Brazil, Colombia, Argentina, Peru, Venezuela, Chile and more countries)

Other ring sizing systems: See our Int'l Ring Size Conversion Chart to convert ring size, or have a look at our other Ring Size Charts to determine ring size: USA/Canada/Mexico, Europe (France/Scandinavia), India, Italy/Spain/Netherlands/Swiss and Germany (Russia)

How to Use Ring Size Chart?

You can use the Japanese/Chinese/South American ring size chart below in two different ways, both for determining your ring size based on finger measurement (easily measured at home, see below), or to find the ring size of a already perfect fitting ring (so that you can buy the same size again). Smart, huh?

Determine ring size based on finger measurent: Use a flexible measuring tape (inches) to measure the circumference around your ring finger (exactly where the ring is supposed to be located). Do not tighten the measuring tape too much, it is supposed to sit quite loose around your finger. Look up your measurement in the ring size chart below. Find your measurement in the column "Circumference" and then find the corresponding ring size.

Find ring size based on ring measurement: Use a ruler or measuring tape (inches) to carefully measure the inside diameter of a ring (edge to edge). Make sure to measure where the diameter is largest (center). Look up your measurement in the ring size chart below (in the "Diamter" column). Find the corresponding "Ring size" - and you are ready to go shopping for rings!

See also our useful Ring Size Tips & Tricks (we are sure you will get some food for thought!)

Ring Size Chart - UK/AU Ring Size

Ring
Size
Circumference,
MM
Diameter,
MM
.
1 39.1 12.5
2 41.7 13.3
3 42.9 13.7
4 44.2 14.1
5 44.8 14.3
6 46.1 14.7
7 46.8 14.9
8 48 15.3
9 49.3 15.7
10 50.6 16.1
11 51.9 16.5
12 52.5 16.7
13 53.1 16.9
14 54.4 17.3
15 55.7 17.7
16 57 18.1
17 58.3 18.5
18 59.5 19
19 60.8 19.4
20 62.1 19.8
21 62.7 20
22 63.4 20.2
23 64.6 20.6
24 65.9 21
25 67.2 21.4
26 68.5 21.8
27 70 22.3

Tips, Tricks or Questions?

Do you have tips, tricks or questions about ring sizing? Let us hear! Thanks :)

Note: All our size charts are guidelines.

Sizes may vary with brands, models and manufacturers. Due to this fact, we can not guarantee that our size charts always will show the right sizes.

You are welcome to link to our size charts from your blog/website/webshop. Store owners may also refer to our size charts in their store(s). Thanks a bunch!

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Publisher/contact:
MG // Martin Granum