Ring Size Comparison Chart

Ring Size Comparison Chart compliments of the International Gem Society. A conversion table of Ring sizes. 7 different ring size equivalents available.

0
HomeLearning CenterJewelry and LapidaryReference Charts & MaterialsRing Size Comparison Chart
By International Gem Society
US Standard (Also  Canada)Diameter in InchesBritish EquivalentFrench EquivalentGerman EquivalentSwiss EquivalentJapanese Equivalent
0.454-----
1/2-A----
1.487B---1
1 1/2.503C----
2.520D41 ½13 ¼1 ½2
2 1/2.536E42 ¾13 ¾2 ¾3
3.553F441444
3 3/8-G45 ½-5 ½5
3 1/2.569--14 ½--
3 3/4-H46 ½-6 ½-
4.585H ½-15-7
4 1/4-I47 ¾-7 ¾-
4 7/8-J49-9-
5.618J ½-15 ¾-9
5 1/8-K50-10-
5 1/2.634L51 ¾1611 ¾-
6.650M52 ¾16 ½12 ¾12
6 1/2.666N54171413
7.683O55 ¼17 ¼15 ¼14
7 1/4.699P56 ½17 ¾16 ½15
8.716Q57 ¾1817 ¾16
8 1/2.732--18 ½-17
8 5/8-R59-19-
9.748--19-18
9 1/8-S60 ¼-20 ¼-
9 1/4.764--19 ½-19
9 5/8-T61 ½-21 ½-
10.781T ½-20-20
10 1/4-U62 ¾-22 ¾21
10 1/2.797U ½-20 ¼-22
10 5/8-V63 ¾-23 ¾-
11.814V ½-20 ¾-23
11 1/8-W65-25-
11 1/2.830--21-24
11 5/8-X66 ¼-26 ¼-
12.846Y67 ½21 ¼27 ½25
12 1/2.862Z68 ¾21 ¾28 ¾26
13.879--22-27

Ring Size Comparison Chart

Compliments of The International Gem Society

International Gem Society

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