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The International Size Reference Guide

US to Japan/China/South America

Convert between US and Japan/Chinese/South American Ring Sizes

US to JP/CN/SA Ring Size Conversion

With the conversion chart below, you can easily convert between US and Japanese/Chinese/South American Ring sizes. The different ring sizing codes are used in the following countries:

US: USA (US), Canada and Mexico. Determine US ring size here. 

JP/CN/SA: Used in Japan, China and South America (Brazil, Colombia, Argentina, Venezuela, Chile and more countries). Determine ring size here.

More Ring Sizing:

Use the ring conversion chart below to convert between US and Japanese/Chinese/South American ring sizes. See also our other ring sizing resources:

Ring Sizing Tips & Tricks: Useful reading before determining ring size.
Convert between all ring size systems: All-in-one ring conversion chart: UK, US, AU, China, Japan, South America, India, Italy, France, Spain, Scandinavia and more countries.

Ring Size Converter

US JP/CN
.
0 -
1/4 -
1/2 -
3/4 -
1 1
1 1/4 -
1 1/2 -
1 3/4 -
2 2
2 1/4 -
2 1/2 3
2 3/4 -
3 4
3 1/4 5
3 1/2 -
3 3/4 6
4 7
4 1/4 -
4 1/2 8
4 3/4 -
5 9
5 1/4 -
5 1/2 10
5 3/4 -
6 11
6 1/4 12
6 1/2 13
6 3/4 -
7 14
7 1/4 -
7 1/2 15
7 3/4 -
8 16
8 1/4 -
8 1/2 17
8 3/4 -
9 18
9 1/4 -
9 1/2 19
9 3/4 -
10 20
10 1/4 21
10 1/2 22
10 3/4 -
11 23
11 1/4 -
11 1/2 24
11 3/4 -
12 25
12 1/4 -
12 1/2 26
12 3/4 -
13 27
13 1/4 -
13 1/2 -
13 3/4 -
14 -
14 1/4 -
14 1/2 -
14 3/4 -
15 -

Tips, Tricks or Questions?

Do you have tips, tricks or questions on converting ring sizes? 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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