Size Guide — Rings

🌙 Size Guide – MERÆ Rings

In France/EU, ring size corresponds to the circumference of the finger in mm . You can also measure the inside diameter of a ring that fits you and then compare it to the chart.

Size FR/EU Inner diameter (mm) Circumference (mm)
50 15.92 50
51 16.23 51
52 16.55 52
53 16.87 53
54 17.19 54
55 17.51 55
56 17.83 56
57 18.14 57
58 18.46 58
59 18.78 59
60 19.10 60

Measurement tips

Measure at the end of the day (fingers swell a little).

If you are hesitating between two sizes, choose the larger one.

For wide frames, it is sometimes comfortable to take +½ size.

🌙 Size Guide – MERÆ Necklaces

Our necklaces are available in three lengths to suit all styles and body types. Here's a visual overview to help you choose:


  • 40 cm — delicate choker, perfect for a minimalist look.
  • 45 cm — classic length, falls just below the collarbone.
  • 50 cm — slightly longer, ideal for layering several necklaces.

✨ Tip: Measure a necklace you wear often to choose the length that suits you best.