Ring Size Calculator

Choose your measurement method:

1. Wrap a string or paper strip around your finger
2. Mark where the string meets
3. Measure the length in millimeters

Ring Size Chart

Diameter (mm) Circumference (mm) US Size UK Size EU Size Typical Fit
14.9 46.8 4 H 47 Women's Small
15.3 48.0 5 J 48 Women's Common
15.7 49.3 6 L 49 Women's Common
16.1 50.6 7 N 51 Women's Common
16.5 51.9 8 P 52 Men's Small
16.9 53.1 9 R 53 Men's Common
17.3 54.4 10 T 54 Men's Common
17.7 55.7 11 V 56 Men's Common
18.1 56.9 12 X 57 Men's Large

Tips for Accurate Measurement:

  • Measure at the end of the day when your fingers are largest
  • Make sure the string/paper isn't twisted
  • Don't wrap too tightly or too loosely
  • Measure the intended finger
  • Consider ordering a half size larger for wide knuckles

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