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 :)