Whether you’re finding your perfect fit or surprising someone with a gift, our size guide points you in the right direction. Let's see how you measure up.
Ring Size Chart
mm
inches
UK Size | US Size | EU Size | int. diameter / circumference |
---|---|---|---|
C | 1½ | 40 | 12.85 mm / 40.4 mm |
D | 2 | 41 | 13.26 mm / 41.7 mm |
E | 2½ | 42 | 13.67 mm / 42.9 mm |
F | 3 | 44 | 14.07 mm / 44.2 mm |
G | 3½ | 45 | 14.48 mm / 45.5 mm |
H | 4 | 46 | 14.88 mm / 46.8 mm |
I | 4½ | 47 | 15.29 mm / 48.0 mm |
J | 5 | 48 | 15.49 mm / 48.7 mm |
K | 5.5 | 49 | 16.10 mm / 50.6 mm |
L | 6 | 50 | 16.51 mm / 51.9 mm |
M | 6.5 | 52 | 16.92 mm / 53.2 mm |
N | 7 | 54 | 17.35 mm / 54.5 mm |
O | 7.5 | 55 | 17.75 mm / 55.8 mm |
P | 8 | 56 | 18.19 mm / 57.1 mm |
Q | 8.5 | 57 | 18.53 mm / 58.4 mm |
R | 9 | 58 | 18.89 mm / 59.7 mm |
S | 9.5 | 59 | 19.41 mm / 61.0 mm |
T | 10 | 60 | 19.84 mm / 62.3 mm |
U | 10.5 | 61 | 20.20 mm / 63.6 mm |
V | 11 | 62 | 20.68 mm / 64.9 mm |
W | 11.5 | 63 | 21.08 mm / 66.2 mm |
X | 11¾ | 66 | 21.18 mm / 66.6 mm |
Y | 12¼ | 67 | 21.59 mm / 67.8 mm |
Z | 12½ | 68 | 21.79 mm / 68.5 mm |
Z+1 | 13.5 | 65 | 23.70 mm / 74.5 mm |
Z+2 | 14 | 66 | 24.10 mm / 75.7 mm |
Z+3 | 14.5 | 67 | 24.50 mm / 76.9 mm |