Ring Size Guide

UK, US & European Ring Size Conversion Chart

If you know your ring size in a different sizing system, please use the guide below.

UK Size	US Size	EU Size (mm)
A	0.5	41
B	1	42
C	1.5	43
D	2	44
E	2.5	45
F	3	46
G	3.5	47
H	4	48
I	4.5	49
J	4.75	50
K	5.25	51
L	5.75	52
M	6	53
N	6.5	54
O	7	55
P	7.5	56
Q	8	57
R	8.5	58
S	9	59
T	9.5	60
U	10	61
V	10.5	62
W	11	63
X	11.5	64
Y	12	65
Z	12.5	66

Conversions are approximate; for best accuracy we recommend measuring internal diameter or circumference in millimetres (mm).