Most of our ring liners and ring bands come in American Sizes.  Please use the chart below to find your correct size.

UK        mm Dia    mm Circ            US
  A            11,5           36,25               0.5
  B            12,3           38,64               1
  C            12,7           39,9                 1.5
  D            13,1           41,15               2 
  E            13,5           42,41               2.5 
  F            13,9           43,67               3
  G            14,3           44,92               3.25
  H            14,7           46,18               3.75
  I             15,1           47,44               4.25
  J             5,5            48,69                4.75
  K            5,9            49,95                5.25
  L            16,3           51,24               5.75
  M           16,7           52,46               6.25
  N           17,1            53,72               6.75
  O           17,5            54,98               7
  P           17,9            56,23               7.5
  Q           18,3            57,49               8
  R           18,7            58,75               8.5
  S           19,1            60,0                 9
  T           19,5            61,26               9.5
  U           19,9            62,52               10
  V           20,3            63,77               10.5
  W          20,7            65,0                 11
  X            21,1            66,29              11.5
  Y           21,5             67,51              12
  Z           21,9             68,77              12.5