Ring Size Chart

Different countries use different size charts.

For ordering on line you need this list to know what size to order.

We work with the American, French , British…

International Ring Size Chart
USA & Canada Ring Size Diameter (Inches) Great Britain France (mm) Germany Japan Switzerland
0 0.39 — — — — —
0 0.422 — — — — —
0 0.454 — — — — —
½ 0.462 A — — — —
¾ 0.471 A-½ — — — —
1 0.487 B — — 1 —
1 1/4 0.495 B-½ — — — —
1 1/2 0.503 C — — — —
1 3/4 0.511 C-½ — — — —
2 0.52 D 41 1/2 13 1/4 2 1 1/2
2 1/4 0.528 D-½ 42 1/8 13 1/2 — —
2 1/2 0.536 E 42 3/4 13 3/4 3 2 3/4
2 3/4 0.544 E-½ 43 3/8 — — 3 3/8
3 0.553 F 44 14 4 4
3 1/4 0.561 F-½ 44 5/8 14 1/4 — 4 5/8
3 1/2 0.569 G 45 1/4 14 1/2 5 5 1/4
3 3/4 0.577 G-½ 45 7/8 14 3/4 6 5 7/8
4 0.586 H-½ 46 1/2 15 7 6 1/2
4 1/4 0.594 I 47 1/8 15 1/4 — 7 1/8
4 1/2 0.602 I-½ 47 3/4 15 1/2 8 7 3/4
4 3/4 0.61 J 48 3/8 — — 8 3/8
5 0.619 J-½ 49 15 3/4 9 9
5 1/4 0.627 K 49 5/8 16 — 9 5/8
5 1/2 0.635 K-½ 50 1/4 16 1/4 10 10 1/4
5 3/4 0.643 L 50 7/8 — 11 10 7/8
6 0.652 L-½ 51 1/2 16 1/2 12 11 1/2
6 1/4 0.66 M 52 1/8 16 3/4 — 12 1/8
6 1/2 0.668 M-½ 52 3/4 17 13 12 3/4
6 3/4 0.676 N 53 3/8 — — 13 3/8
7 0.685 O 54 17 1/4 14 14
7 1/4 0.693 O-½ 54 5/8 17 1/2 — 14 5/8
7 1/2 0.701 P 55 1/4 17 3/4 15 15 1/4
7 3/4 0.709 P-½ 55 7/8 — — 15 7/8
8 0.717 Q 56 1/2 18 16 16 1/2
8 1/4 0.726 Q-½ 57 1/8 18 1/4 — 17 1/8
8 1/2 0.734 R 57 3/4 18 1/2 17 17 3/4
8 3/4 0.742 R-½ 58 3/8 18 3/4 — 18 3/8
9 0.75 S 59 19 18 19
9 1/4 0.759 S-½ 59 5/8 19 1/4 — 19 5/8
9 1/2 0.767 — 60 1/4 19 1/2 19 20 1/4
9 3/4 0.775 T 60 7/8 19 3/4 — 20 7/8
10 0.783 T-½ 61 1/2 20 20 21 1/2
10 1/4 0.792 U 62 1/8 20 1/4 21 22 1/8
10 1/2 0.8 U-½ 62 3/4 20 1/2 22 22 3/4
10 3/4 0.808 V 63 3/8 — — 23 3/8
11 0.816 V-½ 64 20 3/4 23 24
11 1/4 0.825 W 64 5/8 — — 24 5/8
11 1/2 0.833 W-½ 65 1/4 21 24 25 1/4
11 3/4 0.841 X 65 7/8 — — 25 7/8
12 0.849 Y 66 1/2 21 1/4 25 26 1/2
12 1/4 0.858 Y-½ 67 1/8 21 1/2 — 27 1/8
12 1/2 0.866 Z 67 3/4 21 3/4 26 27 3/4
12 3/4 0.874 Z-½ 68 3/8 — — 28 3/8
13 0.882 — 69 22 27 29

R0970

R0970

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