Ring Size Chart & Guide

Ring size plays a crucial role in two main aspects: comfort and security. A ring that fits well will be enjoyable to wear. Ring size can even affect the aesthetics of a ring. A ring that's too tight can pinch the band, distorting its shape. On the other hand, a loose ring might flop around and look awkward. So, getting the right size ensures the ring looks its best on your finger.

Understanding Ring Size

Ring size is measured by the ring's inner circumference in millimeters (mm) and translates to a lettered or numbered size depending on the sizing system used.

Please note Hanna & Co Luxury Jewellery shop ring sizes are shown by US sizing system.

The most common sizing systems are:

• US Size: Used in North America and Mexico. This system uses a numbered scale with half sizes, typically ranging from size 3 to 13.5 for adults.

• UK Size: Primarily used in the United Kingdom and Ireland. This system uses lettered sizes, typically starting from A and going up alphabetically.

Ring Size Chart

Here's a table to give you a general idea of the conversion between US size, millimeters (mm), and UK size: