Celtic Trinity Knot
This section will guide you to the perfect ring size for you, regardless of what global community you reside in, if you don’t know your ring size, you can figure it out with this information. Just measure the circumference or diameter of your finger, and use the table below to specify your ring size, its easy
 The table below is the US standard for ring sizing. For customers in other countries that use a different ring size scale standard, please convert to US sizing when placing your order. Rings are available in US sizes 4-15.
| US | Diam. Inch | Diam. mm | Circ. Inch | Circ. mm | UK | Euro | French | German | Japan | Swiss |
|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 0.586 | 14.9 | 1.840 | 46.7 | H | 7 | 46 1/2 | 15 | 7 | - |
| 4.5 | 0.602 | 15.3 | 1.890 | 48.0 | I | - | - | - | 8 | - |
| 5 | 0.618 | 15.7 | 1.941 | 49.3 | J 1/2 | 9 | 49 | 15 3/4 | 9 | - |
| 5.5 | 0.634 | 16.1 | 1.991 | 50.6 | K 1/2 | - | - | - | 10 | - |
| 6 | 0.650 | 16.5 | 2.041 | 51.8 | L 1/2 | 11 | 51 1/2 | 16 1/2 | 11 | 12.75 |
| 6.5 | 0.666 | 16.9 | 2.091 | 53.1 | M 1/2 | - | - | - | 13 | 14 |
| 7 | 0.682 | 17.3 | 2.141 | 54.4 | N 1/2 | 14 | 54 | 17 1/4 | 14 | 15.25 |
| 7.5 | 0.698 | 17.7 | 2.192 | 55.7 | O 1/2 | - | - | - | 15 | 16.5 |
| 8 | 0.714 | 18.1 | 2.242 | 56.9 | P 1/2 | 16 | 56 3/4 | 18 | 16 | 17.75 |
| 8.5 | 0.730 | 18.5 | 2.292 | 58.2 | Q 1/2 | - | - | - | 17 | - |
| 9 | 0.746 | 18.9 | 2.342 | 59.5 | R 1/2 | 19 | 59 1/4 | 19 | 18 | - |
| 9.5 | 0.762 | 19.4 | 2.393 | 60.8 | S 1/2 | - | - | - | 19 | - |
| 10 | 0.778 | 19.8 | 2.443 | 62.1 | T 1/2 | 21 | 61 3/4 | 20 | 20 | - |
| 10.5 | 0.794 | 20.2 | 2.493 | 63.3 | U 1/2 | - | - | - | 22 | 22.75 |
| 11 | 0.810 | 20.6 | 2.543 | 64.6 | V 1/2 | 24 | 64 1/4 | 20 3/4 | 23 | - |
| 11.5 | 0.826 | 21.0 | 2.594 | 65.9 | W 1/2 | - | - | - | 24 | - |
| 12 | 0.842 | 21.4 | 2.644 | 67.2 | X 1/2 | 26 | 67 1/4 | 21 1/4 | 25 | 27.5 |
| 12.5 | 0.858 | 21.8 | 2.694 | 68.4 | Z | - | - | - | 26 | 28.75 |
| 13 | 0.874 | 22.2 | 2.744 | 69.7 | - | 29 | - | 22 | 27 | - |
| 13.5 | 0.890 | 22.6 | 2.795 | 71.0 | - | - | - | - | - | - |
| 14 | 0.906 | 23.0 | 2.845 | 72.3 | Z3 | 31 | - | - | - | - |
| 14.5 | 0.922 | 23.4 | 2.895 | 73.5 | Z4 | - | - | - | - | - |
| 15 | 0.938 | 23.8 | 2.945 | 74.8 | - | - | - | - | - | - |
| 15.5 | 0.954 | 24.2 | 2.996 | 76.1 | - | - | - | - | - | - |
Standard Ring Sizes: For Ladies = 5-6-7-8, For Men = 9-10-11-12
Queen Sizes = 10-11-12-13
Petite Size = 1-2-3-4
Hard to find-Large Sizes men's rings = 14-15-16-17-18
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