Ring Size Chart

Ring Size Conversion Chart

A clear UK-led ring size chart with direct conversions to US and EU standards. Useful for vintage, antique, and modern jewellery buyers.

UK Size US Size EU Size
A 0.5 37.8
B 1 38.9
C 1.5 40.2
D 2 41.5
E 2.5 42.8
F 3 44.1
G 3.5 45.4
H 4 46.7
I 4.5 48
J 4.75 48.7
K 5.25 50
L 5.75 51.2
M 6.25 52.5
N 6.75 53.8
O 7 55.1
P 7.5 56.3
Q 8 57.6
R 8.5 58.9
S 9 60.2
T 9.5 61.4
U 10 62.7
V 10.5 64
W 11 65.3
X 11.5 66.6
Y 12 67.8
Z 12.5 68.5
Z+1 13 70.1
Z+2 13.5 71.3
Z+3 14 72.6
Z+4 14.5 73.9