Ring Size Chart
View the chart below to see how US sizes map to finger circumference and convert to international sizes. Engagement rings, wedding bands, and fashion rings all follow the same size format.
| Inside Circumference in / mm |
US, Canada, Mexico | UK, Australia, Ireland, New Zealand, South Africa |
Asia (Hong Kong) |
India |
|---|---|---|---|---|
| 1.88 / 47.7 | 4.5 | L½ | 9 | 7 |
| 1.92 / 48.7 | 5 | M | 10 | 8 |
| 1.96 / 49.9 | 5.5 | N | 11 | 9 |
| 2.00 / 50.9 | 6 | O | 12 | 10 |
| 2.05 / 52.1 | 6.5 | P | 13 | 11 |
| 2.10 / 53.4 | 6.75 | Q | 14 | 12 |
| 2.14 / 54.3 | 7 | R | 15 | 13 |
| 2.18 / 55.3 | 7.5 | S | 16 | 14 |