Easy to Use International Ring Size Guide

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Ring Size Guide:

If you are in any doubt as to what your ring size is then a quick way to find out is to simply wrap a piece of cotton around your ring finger and then measure the length of the cotton against a ruler to give your ring size in millimeters. Use the ring size chart below to see what your corresponding UK and US ring size is or alternatively simply visit your local jeweller with an exisitng ring and have them size it or if the purchase is for yourself simply have them message your finger.

Easy to use UK and USA ring size converter

Circumference,mm     UK size      USA size

46.5 mm                      H 1/2              4

48mm                          I 1/2                4 1/2

49mm                          J 1/2                5

50.5mm                       L 1/2               5 1/2

52mm                          M                    6

53mm                          N                     6 1/2

54.5mm                       O                      7

55.5mm                       P                       7 1/2

57mm                         Q                       8

58mm                         Q 1/2                 8 1/2

59.5mm                      R 1/2                   9

International  ring size guide:

Circum-
ference,     USA /         UK           French
in mm        Asian          sizes        Russian
___________________________________

39.6            1 1/2          C                 -
41.0             2               D              41 1/2
42.2             2 1/2         E              42 3/4
43.6             3               F              44
44.5             3 3/8         G             45 1/4
45.1             3 5/8         G1/2        46
45.4             3 3/4         H             46 1/2
46.6             4 1/4          I             47 3/4
47.7             4 5/8          J             49
48.7             5                J1/2        49 3/4
49.0             5 1/8          K           50
49.9             5 1/2          L            51 3/4
51.2             6                M           52 3/4
52.5             61/2           N           54
53.8             7                O           55 1/4
55.0             7 1/2          P            56 1/2
56.4             8                Q           57 3/4
57.7             8 5/8          R           59
59.2             9 1/8          S           60 1/4
60.5             9 5/8          T           61 1/2
62.1            10 1/4         U          62 3/4
62.6            10 1/2         U1/2     62 7/8
63.0            10 5/8         V          63
64.4            11 1/8        W          65
65.7            11 5/8        X           66 1/4
66.6            12              Y           67 1/2
67.9            12 1/2        Z           68 3/4


NOTE: Standard US Ring Sizes: For Ladies = 5-6-7-8,

             Petite Size = 1-2-3-4


 

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