Ring size conversion chart
Ring Size Conversion Chart
Inside Diameter | Inside Circumference | Turkish
Japanese Swiss |
US
Canada |
British
Australian |
||
---|---|---|---|---|---|---|
Milimeters | Inches | Milimeters | Inches | |||
14.00 | 0.55 | 44 | 1.73 | 4 | 2¾ | E½ |
14.32 | 0.56 | 45 | 1.77 | 5 | 3¼ | F¾ |
14.64 | 0.58 | 46 | 1.81 | 6 | 3½ | G¼ |
14.96 | 0.59 | 47 | 1.85 | 7 | 4 | H½ |
15.28 | 0.60 | 48 | 1.89 | 8 | 4½ | I½ |
15.60 | 0.61 | 49 | 1.93 | 9 | 4¾ | J¼ |
15.91 | 0.63 | 50 | 1.97 | 10 | 5¼ | K¼ |
16.23 | 0.64 | 51 | 2.01 | 11 | 5½ | L |
16.55 | 0.65 | 52 | 2.05 | 12 | 6 | M |
16.87 | 0.66 | 53 | 2.09 | 13 | 6¼ | M½ |
17.19 | 0.68 | 54 | 2.13 | 14 | 6¾ | N½ |
17.51 | 0.69 | 55 | 2.17 | 15 | 7 | O |
17.82 | 0.70 | 56 | 2.20 | 16 | 7½ | P |
18.14 | 0.71 | 57 | 2.24 | 17 | 8 | Q |
18.46 | 0.73 | 58 | 2.28 | 18 | 8¼ | Q½ |
18.78 | 0.74 | 59 | 2.32 | 19 | 8¾ | R¼ |
19.10 | 0.75 | 60 | 2.36 | 20 | 9 | R¾ |
19.42 | 0.76 | 61 | 2.40 | 21 | 9½ | S¾ |
19.73 | 0.78 | 62 | 2.44 | 22 | 9¾ | T¼ |
20.05 | 0.79 | 63 | 2.48 | 23 | 10¼ | U |
20.37 | 0.80 | 64 | 2.52 | 24 | 10½ | U½ |
20.69 | 0.81 | 65 | 2.56 | 25 | 11 | V½ |
21.01 | 0.83 | 66 | 2.60 | 26 | 11½ | W¾ |
21.33 | 0.84 | 67 | 2.64 | 27 | 11¾ | X¼ |
21.64 | 0.85 | 68 | 2.68 | 28 | 12¼ | Y½ |
21.96 | 0.86 | 69 | 2.72 | 29 | 12½ | Z |
22.28 | 0.88 | 70 | 2.76 | 30 | 13 | Z1 |
22.60 | 0.89 | 71 | 2.80 | 31 | 13¼ | Z1½ |
22.92 | 0.90 | 72 | 2.83 | 32 | 13¾ | Z2½ |
23.23 | 0.91 | 73 | 2.87 | 33 | 14 | Z3½ |
23.55 | 0.93 | 74 | 2.91 | 34 | 14½ | Z4½ |
23.87 | 0.94 | 75 | 2.95 | 35 | 15 | Z5 |