Ring Circumference UK US EU
49.3mm J 5 48.5
51.9mm L 6 51
54.4mm N 7 55
56.6mm P 7.5 56
57.8mm Q 8 57.5
61.3mm T 9.5 61.5
64.6mm V 11 64
1. Grab a piece of string/strip of paper, pen/pencil and ruler.
2. Wrap the paper/string around your desired finger.
3. Using a pen or pencil, mark the point where the paper overlaps itself.
4. Lay the strip of paper/string on a flat surface and use a ruler to measure the distance from the end of the strip to the marking you made, in millimeters. This will give you a measurement of the circumference of your finger.

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