How to determine your ring size

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How to determine your ring size:

1. Wrap a piece of string or a strip of paper around your finger.

2. Mark the point where the two ends meet.

3. Measure the string or paper against a ruler to get the circumference of your finger.

4. Divide that by 3.14 to get the diameter of your finger.

 

Diameter(mm)                 Circumference (mm)                  America/Canada                   Britain                     German

         14.86                              46.5                                            4                                H 1/2                          15

          15.7                               49                                               5                                 J 1/2                           15 3/4

          16.51                             51.5                                            6                                 M                               16 1/2

          17.35                             54                                               7                                 O                                17 1/4

          18.19                             56.6                                            8                                 Q                                 18

          18.89                             59.1                                            9                                  S                                 19

          19.84                             61.6                                            10                                T 1/2                            20

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