AXENT offers a wide variety of rings from all over the world. On the product pages, US sizes are mainly shown, with Japanese sizes shown next to them. For other countries' sizes, please refer to the international standard ring size conversion chart below.

[Size Chart]




United Kingdom


Inside dimensions inside diameter
5 9 J 1/2 49.3 15.7
6 12 M 51.8 16.5
7 14 O 54.5 17.5
8 16 Q 57.0 18.0
9 18 R 3/4 59.5 19.0
10 21 T 1/2 62.0 19.8
11 23 V 1/2 64.7 20.6
12 25 Y 67.2 21.4

[Size Guide]

There are several ways to know your ring size.

  1. How to know your ring size from your ring
    This method is to measure the inside diameter of the ring you usually wear.
  2. How to measure the circumference of your finger
    How to measure the circumference of your own finger.

For more information, please refer to the size guide below (PDF).

Download the size guide (Japanese)

 Download the size guide (English)

This method is very helpful when choosing a ring as a gift.However, please note that the size may vary slightly depending on the design, width, or brand of the ring.

For more accurate measurements, please use our Ring Sizer. The ring sizer can be purchased here.

If you have any questions or concerns, please feel free to use our Inquiry Form to contact us.