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Ring sizes

There are few ring measurement systems used by jewelers in the world. ISO standard suggests using European system where ring size is equal to inner ring circumference in mm. Using European system you may easily determine your ring size by measuring your finger with a paper band and checking it's length in mm. Russian size is equal to inner ring diameter in mm.

American size is equal to ring diameter in mm multiplied by 1.2 minus 13.8.

Japanese size is equal to ring diameter in mm plus 12,67 and this sum multiplied by 3.

Of course you don't need to do the math each time you want to find out your ring size. Just use the simple chart below.

If you like the ring in our shop but the size does not fit you please feel free to contact us. We can change the size free of charge for the most of the rings.

Please use slightly bigger size for the wider bands.


RussiaEuropeUSA and CanadaJapan and China
15474 1/4
15.3047.84 1/28
15.5048.44 3/4
15.704959
15.9049.65 1/4
16.1050.35 1/210
16.3050.95 3/4
16.5051.5612
16.7052.26 1/4
16.9252.86 1/213
17.1353.46 3/4
17.3554714
17.4554.77 1/4
17.7555.37 1/215
17.9755.97 3/4
18.1956.6816
18.3557.28 1/4
18.5357.88 1/2

17

18.6958.48 3/4
18.8959.1918
19.2259.79 1/4
19.4160.39 1/219
19.6260.99 3/4
19.8461.61020
20.0262.210 1/421
20.2062.810 1/222
20.4463.510 3/4
20.6864.11123
20.8564.711 1/4
21.0865.311 1/224
21.2466.011 3/4
21.4966.61225
21.6967.212 1/4
21.8967.912 1/226
22.1068.512 3/4
22.3369.11327