Ring size chart

◇Ring size chart
Please check your ring size below. If your finger measure is between two sizes, we recommend you to order the larger size. 

Inside Diameter
(mm)
Inside Circumference
(mm)
US & Canada
Japan
UK & Australia
France
Russia
Germany
14.05
44.14
3
4
F
44
14
14.36
45.4
3 1/2
5
G
45 1/4
14 1/2
14.56
45.74
3 5/8
6
G 1/2
-
-
14.86
46.68
4
7
H 1/2
-
15
15.27
47.97
4 1/2
8
I 1/2
-
15 1/2
15.7
49.32
5
9
J 1/2
-
15 3/4
16
50.27
5 1/2
10
K 1/2
50 1/4
16 1/4
16.33
51.30
5 3/4
11
L
50 7/8
-
16.51
51.87
6
12
M
51 1/2
16 1/2
16.92
53.16
6 1/2
13
M 1/2
52 3/4
17
17.35
54.3
7
14
O
54
17 1/4
17.75
55.76
7 1/2
15
P
55 1/4
17 3/4
18.19
57.15
8
16
Q
56 1/2
18
18.53
58.21
8 1/2
17
R
57 3/4
18 1/2
18.89
59.34
9
18
S
59
19
19.41
60.98
9 1/2
19
-
60 1/4
19 1/2
19.84
62.33
10
20
T 1/2
61 1/2
20
20.12
63.21
10 1/4
21
U
62 1/8
20 1/4
20.2
63.46
10 1/2
22
U 1/2
62 3/4
20 1/4
20.68
64.97
11
23
V 1/2
64
20 3/4
21.08
66.22
11 1/2
24
W 1/2
65 1/4
21
21.49
67.51
12
25
Y
66 1/2
21 1/4
21.89
68.77
12 1/2
26
Z
67 3/4
21 3/4
22.33
70.15
13
27
Z+1
69
22

★  Measure your finger (Option 1)
1. Wrap a thread around your finger.
2. Put a mark on the thread as indicated in the image number 3 below.
3. Measure the length with your ruler.

How to measure your finger- Jewels Japan

★  Measure your finger (Option 2)
1. Click a PDF file below and print out this page on an A4 sheet of paper below.
Measure- Jewels Japan

★  Measure an existing ring
1. Click a PDF file below and print out this page on an A4 sheet of paper.
▶ https://cdn.shopify.com/s/files/1/2536/4718/files/sizechart-USsize.pdf?1913


Measure an existing ring- Jewels Japan