To measure your ring size:

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1.  Wrap a string or thin strip of paper around the base of your finger. Personally, we find that paper works better than string here. Measure your knuckles as well, in case they are larger than the base of your finger to ensure that the rings can fit past your knuckles.

2.  Mark the point where the ends meet with a pen.

3.  Measure from end to end with a ruler (mm).

4.  Pick the closest measurement on a ring size chart to find your ring size.