Ring Size Guide
Finding the perfect ring size is essential for comfort and style. Whether you're shopping for yourself or looking to surprise a loved one, this ring size guide will help you compare ring sizes.
| UK | USA | Europe | Circumference | Diameter |
| 38.00 | ||||
| A | 39.00 | 37.70 mm | 12.00 mm | |
| A ½ | 39.50 | 38.33 mm | 12.20 mm | |
| B | 40.00 | 38.96 mm | 12.40 mm | |
| B ½ | 0.75 | 40.80 | 39.58 mm | 12.60 mm |
| C | 1.25 | 41.00 | 40.53 mm | 12.90 mm |
| C ½ | 1.50 | 41.25 | 41.15 mm | 13.10 mm |
| D | 1.75 | 42.00 | 41.78 mm | 13.30 mm |
| D ½ | 2.00 | 42.50 | 42.41 mm | 13.50 mm |
| E | 2.25 | 43.50 | 43.04 mm | 13.70 mm |
| E ½ | 2.50 | 44.00 | 43.67 mm | 13.90 mm |
| F | 2.75 | 44.50 | 44.30 mm | 14.10 mm |
| F ½ | 3.00 | 45.00 | 44.92 mm | 14.30 mm |
| G | 3.25 | 45.50 | 45.55 mm | 14.50 mm |
| G ½ | 3.50 | 46.00 | 46.18 mm | 14.70 mm |
| H | 3.75 | 47.00 | 46.81 mm | 14.90 mm |
| H ½ | 4.00 | 47.50 | 47.44 mm | 15.10 mm |
| I | 4.25 | 48.00 | 48.07 mm | 15.30 mm |
| I ½ | 4.50 | 48.50 | 48.69 mm | 15.50 mm |
| J | 4.75 | 49.50 | 49.32 mm | 15.70 mm |
| J ½ | 5.00 | 50.00 | 49.95 mm | 15.90 mm |
| K | 5.25 | 50.50 | 50.58 mm | 16.10 mm |
| K ½ | 5.50 | 51.00 | 51.21 mm | 16.30 mm |
| L | 5.75 | 52.00 | 51.84 mm | 16.50 mm |
| L ½ | 6.00 | 52.50 | 52.46 mm | 16.70 mm |
| M | 6.25 | 53.00 | 53.09 mm | 16.90 mm |
| M ½ | 6.50 | 54.00 | 54.72 mm | 17.10 mm |
| N | 6.75 | 54.50 | 54.35 mm | 17.30 mm |
| N ½ | 7.00 | 55.00 | 54.98 mm | 17.50 mm |
| O | 7.25 | 55.75 | 55.61 mm | 17.70 mm |
| O ½ | 7.50 | 56.25 | 56.23 mm | 17.90 mm |
| P | 7.75 | 57.00 | 56.86 mm | 18.10 mm |
| P ½ | 8.00 | 57.25 | 57.49 mm | 18.30 mm |
| Q | 8.25 | 58.00 | 58.12 mm | 18.50 mm |
| Q ½ | 8.50 | 58.50 | 58.75 mm | 18.70 mm |
| R | 8.75 | 59.50 | 59.38 mm | 18.90 mm |
| R ½ | 9.00 | 60.00 | 60.00 mm | 19.10 mm |
| S | 9.25 | 60.50 | 60.63 mm | 19.30 mm |
| S ½ | 9.50 | 61.25 | 61.26 mm | 19.50 mm |
| T | 9.75 | 62.00 | 61.89 mm | 19.70 mm |
| T ½ | 10.00 | 62.50 | 62.52 mm | 19.90 mm |
| U | 10.25 | 63.00 | 63.15 mm | 20.10 mm |
| U ½ | 10.50 | 64.00 | 63.77 mm | 20.30 mm |
| V | 10.75 | 64.25 | 64.40 mm | 20.50 mm |
| V ½ | 11.00 | 65.00 | 65.03 mm | 20.70 mm |
| W | 11.25 | 65.50 | 65.66 mm | 20.90 mm |
| W ½ | 11.50 | 66.50 | 66.29 mm | 21.10 mm |
| X | 11.75 | 67.00 | 66.92 mm | 21.30 mm |
| X ½ | 12.00 | 67.50 | 67.54 mm | 21.50 mm |
| Y | 12.25 | 68.00 | 68.17 mm | 21.70 mm |
| Y ½ | 12.50 | 69.00 | 68.80 mm | 21.90 mm |
| Z | 12.75 | 69.50 | 69.43 mm | 22.10 mm |
| Z ½ | 13.00 | 70.00 | 70.06 mm | 22.30 mm |