How to Determine Your Ring Size: Complete Guide

This tool helps you determine your ring size. It uses the height of a credit card as a reference, so accurate measurement is essential.

This tool is provided for informational purposes only. The fit may vary depending on the wearer, the conditions in which the ring is used, and the activities performed. For best results, we recommend choosing a ring that offers you optimal comfort.

Step 1: Adjust the card size

Step 2: Adjust your ring size

Your Ring Size : Size: 50 (EU), 5 ½ (US), K (UK), Diameter: 15.90mm

International ring size chart

UE size US size Diameter(MM) UK size
44 3 14.01 F
45 3 ¼ 14.33 G
46 3 ¾ 14.65 H
47 4 14.97 H ½
48 4 ½ 15.29 I
49 5 15.61 J
50 5 ½ 15.92 K
51 5 ¾ 16.24 L
52 6 16.56 L ½
53 6 ¼ 16.88 M
54 6 ¾ 17.20 N
55 7 17.52 O
56 7 ½ 17.83 O ½
57 8 18.15 P
58 8 ¼ 18.47 Q
59 8 ¾ 18.79 R
60 9 19.11 S
61 9 ½ 19.48 S ½
62 10 19.75 T
63 10 ¼ 20.06 U ½
64 10 ¾ 20.38 V
65 11 20.70 V ½
66 11 ½ 21.02 W ½
67 12 21.34 Y
68 12 ½ 21.66 Z
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