PRINTABLE RINGER AND GUIDE (recommended)
We recommend using this printable ring sizer to get the most accurate reading if you don't know your ring size. There are two methods you can use with the printable ring sizer: method 1 requires an existing ring and method 2 requires scissors.
If you have a printer, please click the button below to download the printable ring sizer. Please make sure the scale is 100% (instructions are on the PDF).
PRINT THE ring sizer
OTHER METHODS (no printer required)
If you know your size
We use standard US sizes. If you already know your size, please use the ring size chart below to determine your size in US size.
| Diameter (mm) | Circumference (mm) | US | UK | French German | Italy |
|---|---|---|---|---|---|
| 15.1 | 47.44 | 4 | H½ | 47.5 | 7.5 |
| 15.3 | 48.07 | 4.25 | I | 48 | 8 |
| 15.5 | 48.69 | 4.5 | I½ | 48.5 | 8.5 |
| 15.7 | 49.32 | 4.75 | J | 49.5 | 9.5 |
| 15.9 | 49.95 | 5 | J½ | 50 | 10 |
| 16.1 | 50.58 | 5.25 | K | 50.5 | 10.5 |
| 16.3 | 51.21 | 5.5 | K½ | 51 | 11 |
| 16.5 | 51.84 | 5.75 | L | 52 | 12 |
| 16.7 | 52.46 | 6 | L½ | 52.5 | 12.5 |
| 16.9 | 53.09 | 6.25 | M | 53 | 13 |
| 17.1 | 53.72 | 6.5 | M½ | 54 | 14 |
| 17.3 | 54.35 | 6.75 | N | 54.5 | 14.5 |
| 17.5 | 54.98 | 7 | N½ | 55 | 15 |
| 17.7 | 55.61 | 7.25 | O | 55.75 | 15.75 |
| 17.9 | 56.23 | 7.5 | O½ | 56.25 | 16.25 |
| 18.1 | 56.86 | 7.75 | P | 57 | 17 |
| 18.3 | 57.49 | 8 | P½ | 57.25 | 17.25 |
| 18.5 | 58.12 | 8.25 | Q | 58 | 18 |
| 18.7 | 58.75 | 8.5 | Q½ | 58.5 | 18.5 |
| 18.9 | 59.38 | 8.75 | R | 59.5 | 19.5 |
| 19.1 | 60 | 9 | R½ | 60 | 20 |
| 19.3 | 60.63 | 9.25 | S | 60.5 | 20.5 |
| 19.5 | 61.26 | 9.5 | S½ | 61.25 | 21.25 |
| 19.7 | 61.89 | 9.75 | T | 62 | 22 |
| 19.9 | 62.52 | 10 | T½ | 62.5 | 22.5 |
| 20.1 | 63.15 | 10.5 | U | 63 | 23 |
| 20.3 | 63.77 | 10.5 | U½ | 64 | 24 |
| 20.5 | 64.4 | 10.75 | V | 64.25 | 24.25 |
| 20.7 | 65.03 | 11 | V½ | 65 | 25 |
If you have an existing ring but do not have a printer:
Please measure the inside diameter of your current ring (the inside edge of your ring) and use the chart above to measure the inside diameter relative to US sizes.