Ring size table guide

This is the International Ring Size Conversion Chart. On the product page we refer to the diameter and the Italian scale.

As a reference we also consider the measurements from:

  • 5 to 7 - XS
  • 8 to 11 - S
  • 12 to 15 - M
  • 16 to 20 - L
  • 21 to 24 - XL
  • 25 to 30 - XXL 
    D Ø (cm) IT EU UK US
    1.43 5 45 F1/2 3.25
    1.46 6 46 G1/2 3.5
    1.49 7 47 H 4
    1.53 8 48 I 4.5
    1.56 9 49 J 5
    1.59 10 50 K 5.25
    1.62 11 51 K1/2 5.75
    1.65 12 52 L1/2 6
    1.69 13 53 M1/2 6.5
    1.72 14 54 N 7
    1.75 15 55 O 7.25
    1.78 16 56 O1/2 7.5
    1.81 17 57 P1/2 8
    1.85 18 58 Q1/2 8.5
    1.88 19 59 R 8.75
    1.91 20 60 R1/2 9
    1.94 21 61 S1/2 9.25
    1.98 22 62 T1/2 10
    2.00 23 63 U 10.25
    2.04 24 64 V 10.75
    2.07 25 65 W 11.25
    2.10 26 66 W1/2 11.5
    2.13 27 67 X1/2 12
    2.17 28 68 Y1/2 12.5
    2.20 29 69 Z1/2 12.75
    2.23 30 70 Z+1 13