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Guide to the right size of your ring

The internal diameter of a ring corresponds to a certain size. With a ruler take the internal diameter, in millimeters, of your ring, without considering its edges and consult the following conversion table:

 

Diameter (mm) French measure Italian measure
13,00 41 1
13,40 42 2
13,70 43 3
14,00 44 4
14,30 45 5
14,60 46 6
15,00 47 7
15,30 48 8
15,60 49 9
15,90 50 10
16,20 51 11
16,50 52 12
16,80 53 13
17,20 54 14
17,50 55 15
17,80 56 16
18,10 57 17
18,40 58 18
18,80 59 19
19,10 60 20
19,40 61 21
19,70 62 22
20,00 63 23
20,30 64 24
20,60 65 25
21,00 66 26
21,30 67 27
21,60 68 28
22,00 69 29
22,30 70 30
22,60 71 31
22,90 72 32
23,20 73 33
23,50 74 34
23,90 75 35
24,20 76 36