Sizing Chart Ring

 
Size Inside Circumference
D 41 1/2mm
D 1/2 42mm
E 42 3/4mm
E 1/2 43mm
F 44mm
F 1/2 44 1/2mm
G 45 1/4mm
G 1/2 45 3/4mm
H 46 1/2mm
H 1/2 47mm
I 47 3/4mm
I 1/2 48mm
J 49mm
J 1/2 49 1/2mm
K 50mm
K 1/2 50 3/4mm
L 51 1/2mm
L 1/2 52mm
M 52 3/4mm
M 1/2 53mm
N 54mm
N 1/2 54 1/2mm
O 55 1/4mm
O 1/2 55 1/2mm
P  56mm
P 1/2 57mm
Q 57 3/4mm
Q 1/2 58 1/4mm
R 59mm
R 1/2 59 3/4mm
S 60mm
S 1/2 60 3/4mm
T 61 1/4mm
T 1/2 62mm
U 62 1/2mm
U 1/2 63mm
V 63 3/4mm
V 1/2 64 1/2mm
W 65mm
W 1/2 65 1/2mm
X 66 1/4mm
X 1/2 67mm
Y 67 1/2mm
Y 1/2 68mm
Z 68 3/4mm
Z 1/2 69 1/2mm