How to measure your finger and determine your ring size.
Measure your ring size with these steps:
- Wrap string or paper around the base of your finger.
- Mark the point where the ends meet with a pen.
- Measure the string or paper with a ruler (mm).
- Pick the closest measurement on the ring size chart to find your ring size.
Get a non-stretchy string or paper about 6" long.
Wrap around the base of your finger. It has to fit snug, but not too tight.
Mark the point on the string/paper where it overlaps forming a circle.
Measure the string/paper up to that point in Millimeters.
Option 2: Measure a ring you already own.
If you have a ring that already fits you well, you can use a ruler to measure the interior diameter of a ring.
Take a ruler and measure straight across the interior of the ring from edge to edge as shown the image from above.
Take the diameter measurement in millimeters, and then use our measurement-conversion chart below to find your ring size.
Option 3: Do it yourself ring sizer.
Download and print the following ring sizer here.
Please make sure your print scale is setting is set to 100 percent and the “fit to page” box is left unchecked from within your printer's settings in order to get an accurate measurement from the printout.
Cut-out the pre-measured strip of paper and use it to measure your finger and determine your finger ring size.
International ring size to millimeters (mm) conversion chart.
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