Measure the internal diameter of a ring that fits your desired finger, then use the chart below to determine your size. Alternatively, if you already know your size in a different region, use the chart to convert it.

Diameter Standard EU US UK
14 XXXS 44 3 F
15 XXS 47 4 H
15.75 XS 49 5 J
16.5 S 52 6 L
17.5 M 54 7 N
18 L 57 8 P
19 XL 60 9 R
19.75 XXL 62 10 T

We recommend sizing up. Rings that are slightly larger are more comfortable to wear and easier to put on and take off. If you're still unsure, our team is happy to help — just reach out before you order.