Rings:
| Ouze Size | UK Size | USA Size | EU Size | Ring Circumference (mm) | Ring Diameter (mm) |
| A | 0.5 | 38 | 37.8 | 12.04 | |
| B | 1 | 39 | 39.1 | 12.45 | |
| C | 1.5 | 40 | 40.4 | 12.85 | |
| D | 2 | 42 | 41.7 | 13.26 | |
| E | 2.5 | 43 | 42.9 | 13.67 | |
| F | 3 | 44 | 44.2 | 14.07 | |
| G | 3.5 | 45 | 45.5 | 14.48 | |
| H | 4 | 47 | 46.8 | 14.88 | |
| I | 4.25 | 48 | 48 | 15.29 | |
| J | 4.75 | 49 | 48.7 | 15.49 | |
| XS | K | 5.25 | 50 | 50 | 15.9 |
| L | 5.75 | 51 | 51.2 | 16.31 | |
| M | 6.25 | 52 | 52.5 | 16.71 | |
| S | N | 6.75 | 54 | 53.8 | 17.12 |
| O | 7.25 | 55 | 55.1 | 17.53 | |
| M | P | 7.75 | 56 | 56.3 | 17.93 |
| Q | 8.25 | 58 | 57.6 | 18.34 | |
| L | R | 8.75 | 59 | 58.9 | 18.75 |
| S | 9.25 | 60 | 60.2 | 19.15 | |
| T | 9.75 | 61 | 61.4 | 19.56 | |
| XL | U | 10.25 | 63 | 62.7 | 19.96 |
| V | 10.75 | 64 | 64 | 20.37 | |
| W | 11.25 | 65 | 65.3 | 20.78 | |
| X | 11.75 | 67 | 66.6 | 21.18 | |
| Y | 12.25 | 68 | 67.8 | 21.59 | |
| Z | 12.75 | 69 | 68.5 | 21.79 |
If you would like to order a specific size, not covered by XS-XL, please select CUSTOM and add your preferred size into the notes section at checkout.
Bracelets:
| Ouze Size | Circumference (inch) | Circumference (cm) |
| S | 7 | 17.78 |
| M | 8 | 20.32 |
| L | 9 | 22.86 |
Necklaces & Pendents:
| Ouze Size | Chain Length (inches) | Chain Length (cm) |
| 18 | 18 | 45 |
| 20 | 20 | 50 |
| 22 | 22 | 55 |
| 24 | 24 | 60 |
For further information about sizing for specific products, please contact us.