International Ring Size Conversion Chart
Maui Divers Jewelry creates all rings using U.S. and Canadian ring sizes. Prior to making any purchase, please utilize our ring size guide, order a free ring sizer, or visit your local jeweler to find your exact ring size.
One hand will not always match the other so please make sure to measure the exact finger on which you wish to wear the ring.
| U.S. and Canada | U.K., Europe & Australia | Switzerland | Asia (Hong Kong, China, Singapore, Taiwan, Japan) |
| 3 | F | 4 | 4 |
| 3.25 | F.5 | 5.25 | 5 |
| 3.5 | G | ||
| 3.75 | G.5 | 6.5 | 6 |
| 4 | H | 7 | |
| 4.25 | H.5 | 7.75 | |
| 4.5 | I | 8 | |
| 4.75 | 1.5 | 9 | |
| 5 | J | 9 | |
| 5.25 | J.5 | 10 | |
| 5.5 | K | 10 | |
| 5.75 | K.5 | 11.75 | |
| 6 | L | 12.75 | 11 |
| 6.25 | L.5 | 12 | |
| 6.5 | M | 14 | 13 |
| 6.75 | M.5 | ||
| 7 | N | 15.25 | 14 |
| 7.25 | N.5 | ||
| 7.5 | O | 16.5 | 15 |
| 7.75 | O.5 | ||
| 8 | P | 17.75 | 16 |
| 8.25 | P.5 | ||
| 8.5 | Q | 17 | |
| 8.75 | Q.5 | 19 | |
| 9 | R | 18 | |
| 9.25 | R.5 | 20.25 | |
| 9.5 | S | 19 | |
| 9.75 | S.5 | 21.5 | |
| 10 | T | 20 | |
| 10.25 | T.5 | 21 | |
| 10.5 | U | 22.75 | 22 |
| 10.75 | U.5 | ||
| 11 | V | 23 | |
| 11.25 | V.5 | 25 | |
| 11.5 | W | 24 | |
| 11.75 | W.5 | ||
| 12 | X | 27.5 | 25 |
| 12.25 | X.5 | ||
| 12.5 | Y | 28.75 | 26 |
| 12.75 | Z | ||
| 13 | Z.5 | 27 | |
| 13.25 | |||
| 13.5 | Z1 |