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Blog posts of '2019' 'December'

Conversion Table

Buying Amber rings and need help to Convert US Size to European size? Below is a conversion table :

...
           
Diameter (mm) Circumference (mm) USA / Canada UK / Australia Asia Switzerland
Europe / ISO
14.1 44.2 3 F 4 4
14.3 44.8   F-1/2 5 5 1/2
14.5 45.5 3 1/2 G    
14.7 46.1   G-1/2 6 6 1/2
14.9 46.8 4 H 7  
15.1 47.4   H-1/2   7 3/4
15.3 48 4 1/2 I 8  
15.5 48.7   J   9
15.7 49.3
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