USA Europe and International Ring Size Conversion Chart Table
Use this handy chart to convert your ring size to US sizes listed on our site. Order ring sizing kit by clicking here.
Once you know your ring size you can order a 3d print of your ring to make sure it fits here.
| Inside Diameter | US | UK | Germany | Spain | France | Italy | Japan |
|---|---|---|---|---|---|---|---|
| 14 mm | 3 | F | 44 (14.0) | 4 | 44 | 4 | 4 |
| 14.5 mm | 3.5 | G | N/A | N/A | N/A | 5,5 | 5 |
| 15 mm | 4 | H | 47 (15.0) | 6,5 | 46.5 | 7 | 7 |
| 15.3 mm | 4.5 | I | 48 (15.3) | 8 | 48 | 8 | 8 |
| 15.6 mm | 5 | J | 49 (15.6) | 9,5 | 49.5 | 9 | 9 |
| 16.2 mm | 5.5 | K | 51 (16.2) | 10,5 | 50.5 | 10 | 10 |
| 16.6 mm | 6 | L | 52 (16.6) | 12 | 52 | 11 | 11 |
| 16.9 mm | 6.5 | M | 53 (16.9) | 13,5 | 53 | 12,5 | 13 |
| 17.2 mm | 7 | N | 54 (17.2) | 14,5 | 54.5 | 14 | 14 |
| 17.8 mm | 7.5 | O | 56 (17.8) | 16 | 55.5 | 15 | 15 |
| 18.1 mm | 8 | P | 57 (18.1) | 17 | 57 | 16 | 16 |
| 18.5 mm | 8.5 | Q | 58 (18.5) | 18,5 | 58 | 17,5 | 17 |
| 19.1 mm | 9 | R | 60 (19.1) | 20 | 59.5 | 19 | 18 |
| 19.4 mm | 9.5 | S | 61 (19.4) | 21 | 61 | 20 | 19 |
| 19.7 mm | 10 | T | 62 (19.7) | 22,5 | 62 | 21,5 | 20 |
| 20.4 mm | 10.5 | U | 64 (20.4) | 23,5 | 63.5 | 23 | 22 |
| 20.7 mm | 11 | V | 65 (20.7) | 25 | 64.5 | 24 | 23 |
| 21.0 mm | 11.5 | W | 66 (21.0) | 26 | 66 | 25 | 24 |
| 21.6 mm | 12 | X | 68 (21.6) | 27,5 | 67 | 26,5 | 25 |
| 22.0 mm | 12.5 | Y | 69 (22.0) | 29 | 68.5 | 28 | 26 |
| 22.3 mm | 13 | Z | 70 (22.3) | 30 | 69.5 | 28,5 | 27 |
| 22.9 mm | 13.5 | Z+2 | 72 (22.9) | 32 | 71 | 32 | N/A |
| 23.2 mm | 14 | Z+3 | 73 (23.2) | 33 | 72.5 | 33 | N/A |
| 23.6 mm | 14.5 | Z+4 | 74 (23.6) | 34,5 | 73.5 | N/A | N/A |
| 15 | Z+5 | N/A | 35 | 75 | 35 | N/A |
