Ring Size Information

UK	mm / inches	USA / Canada	France	Japan	Germany
C	40.2 / 1.580	1½	40½	12¾	-
D	41.5 / 1.634	2	41½	13¼	2
E	42.7 / 1.684	2½	42¾	13¾	3
F	44.0 / 1.739	3	44	14	4
G	45.2 / 1.788	3½	45¼	14½	-
H½	46.5 / 1.836	4	46½	15	7
I½	47.8 / 1.888	4½	47¾	15¼	8
J½	49.0 / 1.941	5	49	15¾	9
L	50.2 / 1.992	5½	50¼	16	-
M	51.5 / 2.042	6	51½	16½	12
N	52.8 / 2.092	6½	52¾	17	13
N½	54.0 / 2.146	7	54	17¼	14
O½	55.3 / 2.196	7½	55½	17½	15
P½	56.6 / 2.249	8	56¾	18	16
Q½	57.8 / 2.300	8½	58	18½	17
R½	59.1 / 2.350	9	59¼	19	18
S½	60.3 / 2.400	9½	60½	19½	19
T½	61.6 / 2.463	10	61¾	20	20
U½	62.8 / 2.504	10½	62¾	20¼	22
V½	64.1 / 2.567	11	64¼	20¾	23
W½	66.0 / 2.608	11½	66	21	24
Y½	67.3 / 2.658	12	67¼	21¾	25