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Ring size chart (English)

The table below provides a comparison of Japanese ring sizes with those of your country.
Please check it out with your usual size to help you make your purchase.

Muska's rings follow Japanese size standard.
Generally speaking, our ring sizes range from JP size 7 to 20.
However, some products may have a smaller range, depending on their design.
Also, as each item is made by hand, there may be a little error in dimensions.

A=Inside Circumference (mm)
B=Inside Diameter (mm)

Japan
& Singapore
A(mm) B(mm) Europe
(ISO)
US &
Canada
UK &
Australia
China Korea Hong Kong Taiwan
47.0 14.96 47 7 4
7 47.1 14.99 8
47.2 15.02
47.3 15.06
47.4 15.09 4 1/4
47.5 15.12
47.6 15.15
7.5 47.7 15.18 9
47.8 15.22
47.9 15.25
48.0 15.28 48 4 1/2 I 8 5
48.1 15.31
8 48.2 15.34
48.3 15.37
48.4 15.41
48.5 15.44
48.6 15.47
8.5 48.7 15.50 4 3/4 J 10 9
48.8 15.53
48.9 15.57
49.0 15.60 49 9 6
49.1 15.63
9 49.2 15.66
49.3 15.69 5 J 1/2
49.4 15.72
49.5 15.76
49.6 15.79
49.7 15.82
9.5 49.8 15.85
49.9 15.88 11
50.0 15.92 50 5 1/4 K 10 7
50.1 15.95
50.2 15.98
10 50.3 16.01
50.4 16.04
50.5 16.07
50.6 16.11 5 1/2 K 1/2
50.7 16.14
10.5 50.8 16.17
50.9 16.20 12
51.0 16.23 51 11 8
51.1 16.27
51.2 16.30 5 3/4 L 10
11 51.3 16.33
51.4 16.36
51.5 16.39
51.6 16.42
51.7 16.46
51.8 16.49
11.5 51.9 16.52 6 L 1/2
52.0 16.55 52 12 9
52.1 16.58 13
52.2 16.62
52.3 16.65
12 52.4 16.68
52.5 16.71 6 1/4 M
52.6 16.74
52.7 16.77
52.8 16.81 11
12.5 52.9 16.84
53.0 16.87 53 13 10
53.1 16.90 6 1/2 M 1/2 14
53.2 16.93
53.3 16.97
13 53.4 17.00
53.5 17.03
53.6 17.06
53.7 17.09
53.8 17.13 6 3/4 N
53.9 17.16
13.5 54.0 17.19 54 14 11 12
54.1 17.22
54.2 17.25
54.3 17.28 15
54.4 17.32 7 N 1/2
14 54.5 17.35
54.6 17.38
54.7 17.41
54.8 17.44
54.9 17.48
14.5 55.0 17.51 55 15 12
55.1 17.54 7 1/4 O
55.2 17.57
55.3 17.60 13
55.4 17.63
15 55.5 17.67
55.6 17.70 16
55.7 17.73 7 1/2 O 1/2
55.8 17.76
55.9 17.79
56.0 17.83 56 16 13
56.1 17.86
56.2 17.89
56.3 17.92 7 3/4 P
56.4 17.95
16 56.5 17.98 17
56.6 18.02
56.7 18.05
56.8 18.08
56.9 18.11 14
57.0 18.14 57 8 P 1/2 17 14
16.5 57.1 18.18
57.2 18.21
57.3 18.24
57.4 18.27
57.5 18.30 18
17 57.6 18.33 8 1/4 Q
57.7 18.37
57.8 18.40
57.9 18.43
58.0 18.46 58 18 15
17.5 58.1 18.49 15
58.2 18.53
58.3 18.56 8 1/2 Q 1/2
58.4 18.59
58.5 18.62
18 58.6 18.65
58.7 18.68 19
58.8 18.72
58.9 18.75 8 3/4 R
59.0 18.78 59 19 16
59.1 18.81
18.5 59.2 18.84
59.3 18.88
59.4 18.91
59.5 18.94 9 R 1/2
59.6 18.97
19 59.7 19.00 20
59.8 19.03
59.9 19.07
60.0 19.10 60 20 17 16
60.1 19.13
19.5 60.2 19.16 9 1/4 S
60.3 19.19
60.4 19.23
60.5 19.26
60.6 19.29
20 60.7 19.32
60.8 19.35 9 1/2 S 1/2
60.9 19.39 21
61.0 19.42 61 21 18
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