Choosing Your
Best JCRing

Choosing Your Best JCRing

Method 1

Please select your size according to the size specification guide, order the ring directly, we will ship according to the order information.

Method 2

Take your own measurements at home with our sizing kit.
Step 1.
Ordering the ring

Select the size kit at the same
time and we will send the size
kit first, at no extra cost.
Step 2.
Size Kit delivery

Expect to receive your tailored
kit within 3-9 days. The kit
includes all ring sizes to help
you find the ideal fit.
Step 3.
Find your size

Test sample rings on your
preferred finger. We recommend
the index finger for optimal
performance and accuracy.
Step 4.
Get your JCRing

Please log in the JCRing website
to contact the manual customer service to confirm the size, and we will ship your JCRing to you.

Ring Size Chart

All rings are specified in standard US sizes. View the conversion chart to see how US sizes map to finger circumference, as well as how US sizes convert to Canada, Australia, UK and other countries.

Ring Size US Size Inner Diameter (mm) Inner Circumference (mm)
6 6 16.5 51.5
7 6.5/7 17.4 54.2
8 7.5/8 18.2 56.7
9 8.5/9 19.0 59.2
10 9.5/10 19.9 62.0
11 10.5/11 20.7 64.5
12 11.5/12 21.5 67.0
13 12.5/13 22.3 69.5
14 13.5/14 23.1 72.0

*Size chart is for reference only. For the most accurate fit, please use our ring sizing kit before selecting your size.