Ring Sizing Guide
Circumference / Diameter | UK Ring Size | US Ring Size | EU Ring Size |
C: 37.8mm / D 12mm | A | 1/2 | |
C: 39.1mm / D 12.4mm | B | 1 | |
C: 40.4mm / D 12.8mm | C | 1 1/2 | 40 1/2 |
C: 41.7mm / D 13.2mm | D | 2 | 41 1/2 |
C: 42.9mm / D 13.6mm | E | 2 1/2 | 42 3/4 |
C: 44.2mm / D 14.1mm | F | 3 | 44 |
C: 45.5mm / D 14.4mm | G | 3 1/2 | 45 1/4 |
C: 46.8mm / D 14.8mm | H | 4 | 46 1/2 |
C: 48mm / D 15.2mm | I | 4 1/2 | 47 1/8 |
C: 48.7mm / D 15.4mm | J | 4 3/4 | 48 3/8 |
C: 50.0mm / D 15.9mm | K | 5 1/4 | 49 3/8 |
C: 51.2mm / D 16.3mm | L | 5 3/4 | 50 7/8 |
C: 52.5mm / D 16.3mm | M | 6 1/4 | 52 1/8 |
C: 53.8mm / D 17.1mm | N | 6 3/4 | 53 3/8 |
C: 55.1mm / D 17.5mm | O | 7 | 54 3/8 |
C: 56.3mm / D 17.9mm | P | 7 1/2 | 55 7/8 |
C: 57.6mm / D 18.3mm | Q | 8 | 57 1/8 |
C: 58.9mm / D 18.7mm | R | 8 1/2 | 58 3/8 |
C: 60.2mm / D 19.1mm | S | 9 | 59 3/8 |
C: 61.4mm / D 19.5mm | T | 9 3/4 | 60 7/8 |
C: 62.7mm / D 19.9mm | U | 10 1/4 | 62 1/8 |
C: 64mm / D 20.3mm | V | 10 3/4 | 63 3/8 |
C: 65.3mm / D 20.7mm | W | 11 1/2 | 64 3/8 |
C: 66.6mm / D 21.1mm | X | 11 3/4 | 65 7/8 |
C: 67.8mm / D 21.5mm | Y | 12 | 67 1/8 |
C: 68.5mm / D 21.7mm | Z | 12 1/2 | 67 3/4 |