Ring Size Comparison Chart
| U.S. | U.K. | U.S. | U.K. | U.S. | U.K. | U.S. | U.K. |
|---|---|---|---|---|---|---|---|
| 2½ | E | 5 | J½ | 7¾ | P | 10½ | U½ |
| 2¾ | E½ | 5¼ | K | 8 | P½ | 10¾ | V |
| 3 | F | 5½ | K½ | 8¼ | Q | 11 | V½ |
| 3¼ | F½ | 5¾ | L | 8½ | Q½ | 11¼ | W |
| 3½ | G | 6 | L½ | 8¾ | R | 11½ | W½ |
| 3¾ | G½ | 6¼ | M | 9 | R½ | 11¾ | X |
| 4 | H | 6½ | M½ | 9¼ | S | 12 | X½ |
| 4¼ | H½ | 6¾ | N | 9½ | S½ | 12¼ | Y |
| 4½ | I | 7 | N½ | 9¾ | T | 12½ | Y½ |
| 4¾ | I½ | 7¼ | O | 10 | T½ | 12½ | Z |
| 4¾ | J | 7½ | O½ | 10¼ | U | 12¾ | Z½ |
Please note that these size comparisons are approximate and give a guide to the nearest match as the intervals in the different scales do not correspond exactly.
Rings and gauges are hard objects that can be measured exactly, but fingers are soft flesh so they cannot be measured with the same degree of accuracy as a ring. Finger sizes are prone to change with temperature, humidity, exercise, what you have been eating, time of day, time of the month, pregnancy and other factors. The dominant hand is usually ½ size larger. Quarter sizes are offered to help you get the best fit, however quarter sizes make more difference on smaller fingers than on large fingers.
The best size is usually the ring that fits snugly and gives a little resistance when you take it off. Wider rings should be a little looser that narrow rings.
