DJL Ring Sizes

Use the chart below to determine your ring size:

Japan USA/Canada Diameter (mm) Circumference (mm)
  0 11.54 36.25
    11.90 37.38
0   12.00 37.70
    12.10 38.01
    12.30 38.64
  1 12.37 38.86
    12.50 39.27
  11/4 12.58 39.52
    12.70 39.90
  11/2 12.78 40.15
    12.90 40.53
1 13/4 13.00 40.84
    13.05 41.00
    13.10 41.15
  2 13.21 41.50
    13.30 41.78
2   13.33 41.88
    13.37 42.00
  21/4 13.41 42.13
    13.50 42.41
  21/2 13.61 42.76
3   13.66 42.91
    13.69 43.00
  23/4 13.82 43.42
    13.90 43.67
4   14.00 43.98
    14.01 44.00
  3 14.05 44.14
    14.10 44.30
  31/4 14.24 44.74
    14.30 44.92
    14.32 45.00
5   14.33 45.02
  31/2 14.45 45.40
    14.50 45.55
    14.64 46.00
  33/4 14.65 46.02
6   14.66 46.06
    14.70 46.18
  4 14.86 46.68
    14.90 46.81
    14.96 47.00
7   15.00 47.12
  41/4 15.07 47.34
    15.10 47.44
  41/2 15.27 47.97
    15.28 48.00
    15.30 48.07
8   15.33 48.16
  43/4 15.48 48.63
    15.50 48.69
    15.60 49.00
9   15.66 49.20
  5 15.70 49.32
  51/4 15.90 49.95
    15.92 50.00
10   16.00 50.27
  51/2 16.10 50.58
    16.23 51.00
  53/4 16.31 51.24
11   16.33 51.30
  6 16.51 51.87
    16.55 52.00
12   16.66 52.34
    16.70 52.46
  61/4 16.73 52.56
    16.87 53.00
    16.90 53.09
  61/2 16.92 53.16
13   17.00 53.41
    17.10 53.72
  63/4 17.14 53.85
    17.19 54.00
    17.30 54.35
14   17.33 54.44
  7 17.35 54.51
    17.50 54.98
  71/4 17.56 55.00
15   17.66 55.48
    17.70 55.61
  71/2 173/4 55.76
    17.83 56.00
    17.90 56.23
  73/4 17.97 56.45
16   18.00 56.55
    18.10 56.86
    18.14 57.00
  8 18.19 57.15
    18.30 57.49
17   18.33 57.59
  81/4 18.39 57.77
    18.46 58.00
    18.50 58.12
  81/2 18.59 58.40
18   18.66 58.62
    18.70 583/4
  83/4 18.78 59.00
    18.90 59.38
  9 18.99 59.66
19   19.00 59.69
    19.10 60.00
  91/4 19.22 60.38
    19.30 60.63
20   19.33 60.73
  91/2 19.41 60.98
    19.42 61.00
    19.50 61.26
  93/4 19.63 61.67
21   19.66 61.76
    19.70 61.89
    19.74 62.00
  10 19.84 62.33
    19.90 62.52
22   20.00 62.83
  101/4 20.05 63.00
    20.10 63.15
  101/2 20.24 63.59
    20.30 63.77
23   20.33 63.87
    20.37 63.99
  103/4 20.46 64.28
    20.50 64.40
24   20.66 64.91
  11 20.68 64.97
    20.69 65.00
  111/4 20.88 65.60
    20.90 65.66
25   21.00 65.97
    21.01 66.00
  111/2 21.08 66.22
    21.10 66.29
  103/4 21.30 66.92
26   21.33 67.01
  12 21.49 67.51
    21.65 68.02
27   21.66 68.05
  121/4 21.71 68.20
  121/2 21.89 68.77
    21.96 68.99
28   22.00 69.12
    22.10 69.43
  123/4 22.12 69.49
    22.28 69.99
29 13 22.33 70.15
    22.50 70.69
  131/4 22.54 70.81
    22.60 71.00
30   22.66 71.19
    22.70 71.31
  131/2 223/4 71.47
  133/4 22.92 72.01
31   23.00 72.26
    23.10 72.57
  14 23.16 72.76
    23.24 73.01
    23.30 73.20
    23.34 73.32
32   23.33 73.29
  141/4 23.37 73.42
    23.50 73.83
  141/2 23.55 73.98
33   23.66 74.33
    23.70 74.46
  143/4 23.78 74.71
    23.87 74.99
    23.90 75.08
34 15 24.00 75.40
    24.10 75.71
  151/4 24.19 76.00
    24.30 76.34
35   24.33 76.43
  151/2 24.41 76.69
    24.51 77.00
  153/4 24.61 77.31
36   24.66 77.47
    24.70 77.60
  16 24.83 78.00
    24.90 78.23
37 161/4 25.00 78.54