Ring Size Conversion Chart
Determining your ring size can be tricky without the proper tools. Use our Ring Size Conversion chart below to find your ring size in different countries.
Ring Size Chart
| Ring Diameter (MM) | USA/Canada |
United Kingdom |
France |
Germany |
Japan |
Switzerland |
|---|---|---|---|---|---|---|
| 14.0 mm. | 3 | F | 44 | 14 | 4 | 4 |
| 14.4 mm. | 3½ | G | 45¼ | 14½ | 5½ | 6⅓ |
| 14.8 mm. | 4 | H½ | 46½ | 15 | 7 | 6½ |
| 15.2 mm. | 4½ | I½ | 47¾ | 15¼ | 8 | 8 |
| 15.6 mm. | 5 | J½ | 49 | 15¾ | 9 | 9½ |
| 16.0 mm. | 5½ | L | 50¾ | 16 | 10½ | 10¾ |
| 16.5 mm. | 6 | M | 51½ | 16½ | 12 | 12¾ |
| 16.9 mm. | 6½ | N | 52¾ | 17 | 13 | 14 |
| 17.3 mm. | 7 | O | 54 | 17¼ | 14 | 15¼ |
| 17.7 mm. | 7½ | P | 55¼ | 17¾ | 15 | 16½ |
| 18.2 mm. | 8 | Q | 56¾ | 18 | 16 | 17¾ |
| 18.6 mm. | 8½ | Q½ | 58 | 18½ | 17 | 18½ |
| 19.0 mm. | 9 | R½ | 59¼ | 19 | 18 | 20 |
| 19.4 mm. | 9½ | S½ | 60¾ | 19½ | 19 | 21 |
| 19.8 mm. | 10 | T½ | 61¾ | 20 | 20 | 21¾ |
| 20.2 mm. | 10½ | U½ | 62¾ | 20¼ | 22 | 22¾ |
| 20.6 mm. | 11 | V½ | 64¼ | 20¾ | 23 | 24 |
| 21.0 mm. | 11½ | W½ | 66 | 21 | 24 | 25¾ |
| 21.4 mm. | 12 | Y | 67¼ | 21¼ | 25 | 27½ |
| 21.8 mm. | 12½ | Z | 68 | 21¾ | 26 | 28¾ |
| 22.2 mm. | 13 | - | 69 | 22 | 27 | 29¼ |
| 22.6 mm. | 13½ | - | - | - | - | - |