Ring Size Guide

Our rings are made in European sizes. The EU size is the inside circumference of the ring in millimetres, so a size 54 measures 54 mm around the inside of the band. Use this chart to convert to your US size.

EU size US size Inside diameter Inside circumference
48 4.5 15.3 mm 48 mm
49 4.75 15.6 mm 49 mm
50 5 15.9 mm 50 mm
51 5.5 16.2 mm 51 mm
52 6 16.6 mm 52 mm
53 6.5 16.9 mm 53 mm
54 6.75 17.2 mm 54 mm
55 7.25 17.5 mm 55 mm
56 7.5 17.8 mm 56 mm
57 8 18.1 mm 57 mm
58 8.5 18.5 mm 58 mm
59 8.75 18.8 mm 59 mm
60 9 19.1 mm 60 mm
61 9.5 19.4 mm 61 mm
62 10 19.7 mm 62 mm
63 10.5 20.1 mm 63 mm
64 10.75 20.4 mm 64 mm
65 11 20.7 mm 65 mm

How to measure your finger

  1. Wrap a thin strip of paper or a piece of string around the base of the finger you want to wear the ring on.
  2. Mark where the ends meet, lay it flat, and measure the length in millimetres. That length is your EU size.
  3. Or, if you already own a ring that fits well, measure straight across the inside of the band and match the diameter in the chart.

Good to know

  • Measure at the end of the day, when fingers are at their largest, and not when your hands are cold.
  • If you fall between sizes, choose the larger one.
  • Our bands are wide and sculptural, and wide bands fit more snugly than narrow ones. If you are between sizes, going up half a US size usually gives the most comfortable fit.