|
Ring Size Chart
|
UK Size
|
Diameter
|
Circumference
|
| A |
11.5 mm |
36.25 mm |
| B |
12.3 mm |
38.64 mm |
| C |
12.7 mm |
39.90 mm |
| D |
13.1 mm |
41.15 mm |
| E |
13.5 mm |
42.41 mm |
| F |
13.9 mm |
43.67 mm |
| G |
14.3 mm |
44.92 mm |
| H |
14.7 mm |
46.18 mm |
| I |
15.1 mm |
47.44 mm |
| J |
15.5 mm |
48.69 mm |
| K |
15.9 mm |
49.95 mm |
| L |
16.3 mm |
51.24 mm |
| M |
16.7 mm |
52.46 mm |
| N |
17.1 mm |
53.72 mm |
| O |
17.5 mm |
54.98 mm |
| P |
17.9 mm |
56.23 mm |
| Q |
18.3 mm |
57.49 mm |
| R |
18.7 mm |
58.75 mm |
| S |
19.1 mm |
60.00 mm |
| T |
19.5 mm |
61.26 mm |
| U |
19.9 mm |
62.52 mm |
| V |
20.3 mm |
63.77 mm |
| W |
20.7 mm |
65.00 mm |
| X |
21.1 mm |
66.29 mm |
| Y |
21.5 mm |
67.51 mm |
| Z |
21.9 mm |
68.77 mm |
| Z+1 |
22.3 mm |
69.99 mm |
| Z+2 |
22.7 mm |
71.31 mm |
| Z+3 |
23.1 mm |
72.57 mm |
| Z+4 |
23.5 mm |
73.83 mm |
| Z+5 |
23.9 mm |
75.08 mm |
| Z+6 |
24.3 mm |
76.34 mm |
| Z+7 |
24.7 mm |
77.60 mm |
| Z+8 |
25.1 mm |
78.86 mm |
|
|