To obtain the most accurate measurement of your finger, measure at room temperature, when your hands are not unusually cold.
Alternatively to work out your size from an existing ring, measure the ring and using our sizing guide
INSIDE DIAMETER | ||||
MM | INCHES | UK | US | EUROPE |
14.88 | 0.58 | H | 4.25 | 46.5 |
15.1 | 0.59 | I | 4.5 | 47 |
15.49 | 0.6 | J | 5 | 48.5 |
15.9 | 0.62 | K | 5.5 | 50 |
16.31 | 0.64 | L | 6 | 51 |
16.71 | 0.65 | M | 6.5 | 52 |
17.12 | 0.67 | N | 6.75 | 53.5 |
17.53 | 0.69 | O | 7 | 55 |
17.93 | 0.7 | P | 7.5 | 56 |
18.34 | 0.72 | Q | 8 | 57 |
18.75 | 0.73 | R | 8.5 | 58.5 |
19.15 | 0.75 | S | 9 | 59.5 |
19.56 | 0.77 | T | 9.5 | 61 |