Ring Size Converter

Use this handy converter to find out your ring size for your country.

USA size Diam. inch. Diam. mm Circum. mm

British French German Japanese Swiss

Select a ring size in one category, the rest will change to match.

How to measure your finger

1. Wrap a piece of string or paper strip around the base of your finger.
2. Mark the string or paper where it overlaps to form a complete circle.

3. Measure the length of the section of string or paper where it overlaps around the finger.

4. Compare your measurement with this chart to determine your ring size.

Our rings are only available in the sizes below.

Ring Size Measured Size
Uk inches mm
M 2 1/16 51.5
O 2 3/16 54
Q 2 5/16 56.6
S 2 7/16 59.1
T 1/2 2 9/16 61.6
V 1/2 2 11/16 64.1