  

             UK         
             US         
              EU         
    Inside circumference (mm)
  


    A
    0.5
    38
    37.8
  

    B
    1
    39
    39.1
  

    C
    1.5
    40
    40.4
  

    D
    2
    42
    41.7
  

    E
    2.5
    43
    42.9
  

    F
    3
    44
    44.2
  

    G
    3.5
    45
    45.5
  

    H
    4
    47
    46.8
  

    I
    4.5
    48
    48.7
  

    J
    5
    49
    50
  

    K
    5.5
    50
    51.2
  

    L
    6
    51
    52.5
  

    M
    6.5
    52
    53.8
  

    N
    7
    54
    55.1
  

    O
    7.5
    55
    56.3
  

    P
    8
    56
    56.3
  

    Q
    8.5
    58
    57.6
  

    R
    9
    59
    58.9
  

    S
    9.5
    60
    60.2
  

    T
    10
    61
    61.4
  

    U
    10.5
    63
    62.7
  

    V
    11
    64
    64
  

    W
    11.5
    65
    65.3
  

    X
    12
    67
    66.6
  

    Y
    12.5
    68
    67.8
  

    Z
    13
    69
    68.5
  

    Z1
    13.5
    70
    70
  

UK	US	EU	Inside circumference (mm)
A	0.5	38	37.8
B	1	39	39.1
C	1.5	40	40.4
D	2	42	41.7
E	2.5	43	42.9
F	3	44	44.2
G	3.5	45	45.5
H	4	47	46.8
I	4.5	48	48.7
J	5	49	50
K	5.5	50	51.2
L	6	51	52.5
M	6.5	52	53.8
N	7	54	55.1
O	7.5	55	56.3
P	8	56	56.3
Q	8.5	58	57.6
R	9	59	58.9
S	9.5	60	60.2
T	10	61	61.4
U	10.5	63	62.7
V	11	64	64
W	11.5	65	65.3
X	12	67	66.6
Y	12.5	68	67.8
Z	13	69	68.5
Z1	13.5	70	70

Rings

It’s important to get an accurate measurement of your finger so your ring fits correctly.

If you’re unsure of your ring size, we recommend visiting a local jewellers who will measure it for you free of charge. Alternatively, you can purchase a finger ring sizer from various places online.