How to Measure Your Ring Size Using a String

Step 1

Cut a piece of string at least 3 inches long (or a strip of paper)

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Step 2

Wrap it around your finger at the base of the knuckle or use a pen to mark where the two ends overlap

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Step 3

Lay the string (or paper strip) at and use a ruler to measure the length in millimeters. Then enter the length in millimeters into the ring size calculator to find your size.