Determining your ring size

Determine your size

  1. THOMAS SABO specifies the ring sizes with the inner circumference of the ring in millimeter. For example size 44 corresponds to 44 mm.
  2. You can easily determine your own ring size with a measuring tape or a cord. To measure simply place the cord (or the measuring tape) around the finger where you want to put the ring later. The ends of the cord should be marked.
  3. By using a ruler, you can then measure the marked cord and get your ring size.

Size Chart

EU USA UK Ø mm
44 3 F 14 mm
46 3 ¾ G ½ - H 14,6 mm
48 4 ½ I ½ 15,3 mm
50 5 ¼ K 16 mm
52 6 L ½ 16,6 mm
54 6 ¾ N 17,3 mm
56 7 ½ O ½ - P 18 mm
58 8 ½ Q ½ 18,5 mm
60 9 S - S ½ 19,3 mm
62 10 T ½ - U 19,7 mm
64 10 ¾ V -V ½ 20,4 mm
66 11 ½ X 21 mm
68 12 ¼ Y ½ 21,7 mm

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