Hand-crafted Knot Jewelry: Decorative Marlingspike Seamanship rendered in precious metal. |
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Sizes are approximate, use with caution. Ideally, have your finger size measured by a jeweller, and inform him that you are planning to get a very wide ring.
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| USA
Size |
Diam.
-inch |
Diam.
in mm |
Metric
-mm |
British |
French |
German |
Japanese |
Swiss |
| 0000 |
.390 |
9.91 |
|
- |
|
|
|
|
| 00 |
.422 |
10.72 |
|
- |
|
|
|
|
| 0 |
.454 |
11.53 |
|
- |
|
|
|
|
| 1/2 |
.474 |
11.95 |
|
A |
|
|
|
|
| 3/4 |
.482 |
12.18 |
|
A
1/2 |
|
|
|
|
| 1 |
.487 |
12.37 |
38.9 |
B |
|
|
1 |
|
| 1
1/4 |
- |
12.60 |
39.6 |
B
1/2 |
|
|
|
|
| 1
1/2 |
.503 |
12.78 |
40.2 |
C |
|
|
|
|
| 1
3/4 |
- |
13.00 |
40.8 |
C
1/2 |
|
|
|
|
| 2 |
.520 |
13.21 |
41.5 |
D |
41
1/2 |
13
1/2 |
2 |
1
1/2 |
| 2
1/4 |
- |
13.41 |
42.1 |
D
1/2 |
- |
- |
|
|
| 2
1/2 |
.536 |
13.61 |
42.7 |
E |
42
3/4 |
13
3/4 |
3 |
2
3/4 |
| 2
3/4 |
- |
13.83 |
43.4 |
E
1/2 |
- |
- |
|
|
| 3 |
.553 |
14.05 |
44.0 |
F |
44 |
14 |
4 |
4 |
| 3
1/8 |
- |
14.15 |
44.3 |
F
1/2 |
- |
- |
|
|
| 3
1/4 |
- |
14.25 |
44.6 |
- |
- |
- |
|
|
| 3
3/8 |
- |
14.36 |
44.9 |
G |
45
1/4 |
- |
5 |
5
1/4 |
| 3
1/2 |
.569 |
14.45 |
45.2 |
- |
- |
14
1/2 |
|
|
| 3
5/8 |
- |
14.56 |
45.6 |
G
1/2 |
- |
|
6 |
|
| 3
3/4 |
- |
14.65 |
45.9 |
H |
46
1/2 |
|
|
6
1/2 |
| 4 |
.585 |
14.86 |
46.5 |
H
1/2 |
- |
15 |
7 |
|
| 4
1/4 |
- |
15.04 |
47.1 |
I |
47
3/4 |
|
|
7
3/4 |
| 4
1/2 |
.601 |
15.27 |
47.8 |
I
1/2 |
- |
15
1/4 |
8 |
|
| 4
5/8 |
- |
15.40 |
48.1 |
J |
49 |
15
1/2 |
|
9 |
| 4
3/4 |
- |
15.53 |
48.4 |
- |
- |
|
|
|
| 5 |
.618 |
15.70 |
49.0 |
J
1/2 |
- |
15
3/4 |
9 |
|
| 5
1/8 |
- |
15.80 |
49.3 |
K |
50 |
|
|
10 |
| 5
1/4 |
- |
15.90 |
49.6 |
- |
- |
|
|
|
| 5
3/8 |
- |
16.0 |
50.0 |
K
1/2 |
- |
|
10 |
|
| 5
1/2 |
.634 |
16.10 |
50.3 |
L |
51
3/4 |
16 |
|
11
3/4 |
| 5
3/4 |
- |
16.30 |
50.9 |
- |
- |
|
|
|
| 5
7/8 |
- |
16.41 |
51.3 |
L
1/2 |
- |
|
|
|
| 6 |
.650 |
16.51 |
51.5 |
M |
52
3/4 |
16
1/2 |
12 |
12
3/4 |
| 6
1/4 |
- |
16.71 |
52.2 |
M
1/2 |
- |
|
|
|
| 6
1/2 |
.666 |
16.92 |
52.8 |
N |
54 |
17 |
13 |
14 |
| 6
3/4 |
- |
17.13 |
53.4 |
N
1/2 |
- |
|
|
|
| 7 |
.683 |
17.35 |
54.0 |
O |
55
1/4 |
17
1/4 |
14 |
15
1/4 |
| 7
1/4 |
- |
17.45 |
54.7 |
O
1/2 |
- |
|
|
|
| 7
1/2 |
.699 |
17.75 |
55.3 |
P |
56
1/2 |
17
3/4 |
15 |
16
1/2 |
| 7
3/4 |
- |
17.97 |
55.9 |
P
1/2 |
- |
|
|
|
| 8 |
.716 |
18.19 |
56.6 |
Q |
57
3/4 |
18 |
16 |
17
3/4 |
| 8
1/4 |
- |
18.35 |
57.2 |
Q
1/2 |
- |
|
|
|
| 8
1/2 |
.732 |
18.53 |
57.8 |
- |
- |
18
1/2 |
17 |
|
| 8
5/8 |
- |
18.61 |
58.4 |
R |
59 |
|
|
19 |
| 8
3/4 |
- |
18.69 |
58.4 |
- |
- |
|
|
|
| 8
7/8 |
- |
18.80 |
59.0 |
R
1/2 |
- |
|
|
|
| 9 |
.748 |
18.89 |
59.1 |
- |
- |
19 |
18 |
|
| 9
1/8 |
- |
19.10 |
59.4 |
S |
60
1/4 |
|
|
20
1/4 |
| 9
1/4 |
- |
19.22 |
59.7 |
- |
- |
|
|
|
| 9
3/8 |
- |
19.31 |
60.0 |
S
1/2 |
- |
|
|
|
| 9
1/2 |
.764 |
19.41 |
60.3 |
- |
- |
19
1/2 |
19 |
|
| 9
5/8 |
- |
19.51 |
60.6 |
T |
61
1/2 |
|
|
21
1/2 |
| 9
3/4 |
- |
19.62 |
60.9 |
- |
- |
|
|
|
| 10 |
.781 |
19.84 |
61.6 |
T
1/2 |
- |
20 |
20 |
|
| 10
1/4 |
- |
20.02 |
62.2 |
U |
62
3/4 |
|
21 |
22
3/4 |
| 10
1/2 |
.797 |
20.20 |
62.8 |
U
1/2 |
- |
20
1/4 |
22 |
|
| 10
5/8 |
- |
20.32 |
63.1 |
V |
63 |
|
|
23
3/4 |
| 10
3/4 |
- |
20.44 |
63.5 |
- |
- |
|
|
|
| 11 |
.814 |
20.68 |
64.1 |
V
1/2 |
- |
20
3/4 |
23 |
|
| 11
1/8 |
- |
20.76 |
64.3 |
W |
65 |
|
|
25 |
| 11
1/4 |
- |
20.85 |
64.7 |
- |
- |
|
|
|
| 11
3/8 |
- |
20.94 |
65.0 |
W
1/2 |
- |
|
|
|
| 11
1/2 |
- |
21.08 |
65.3 |
- |
- |
21 |
24 |
|
| 11
5/8 |
.830 |
21.18 |
65.7 |
X |
66
1/4 |
|
|
26
1/4 |
| 11
3/4 |
- |
21.24 |
66.0 |
- |
- |
|
|
|
| 11
7/8 |
- |
21.30 |
66.3 |
X
1/2 |
- |
|
|
|
| 12 |
.846 |
21.49 |
66.6 |
Y |
67
1/2 |
21
1/4 |
25 |
27
1/2 |
| 12
1/2 |
.862 |
21.89 |
67.9 |
Z |
68
3/4 |
21
3/4 |
26 |
28
3/4 |
| 12
3/4 |
- |
22.10 |
68.5 |
Z
1/2 |
- |
|
|
|
| 13 |
.879 |
22.33 |
69.1 |
- |
- |
22 |
27 |
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(This site last updated on 07-07-2008)
©1997-2008 Loren Damewood All Rights Reserved
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