We use cookies on our website. You are free to manage this via your browser setting at any time. To learn more please see our cookies policy

How To Measure Ring Size

To find out your ring size, measure the inside diameter of an existing fitting ring with a ruler and check it against our chart below.

OR

If you don’t already have a ring - then why not try wrapping a piece of foil or paper around your finger to make a ring, measure the inside diameter with a ruler to check against our chart below.

Please Note: Finding your ring size by the above methods may not be completely accurate. For a more precise measurement call in your local Warren James store where our staff can measure your finger and advise on the most suitable size.

Ring Size Measurement Chart - (Guide Only)

Inside Diameter Ring size
15.5 mm J
15.9 mm K
16.3 mm L
16.7 mm M
17.1 mm N
17.5 mm O
17.9 mm P
18.3 mm Q
18.7 mm R
19.2 mm S
19.6 mm T
20 mm U
20.4 mm V
20.8 mm W
21.2 mm X
21.6 mm Y
22 mm Z
22.4 mm Z+1
22.8 mm Z+3
23 mm Z+4