International Wedding Bands Sizing Chart

U.S.Standard (Including Canada) Average Diameter in Inches British Equivalent French Equivalent German Equivalent Japanese Equivalent Swiss Equivalent
000 0.390 --- --- --- ---
00 0.422 --- --- --- ---
0
0.454
--- --- --- ---
  0.462 A --- --- ---
  0.471 A- --- --- ---
1 0.487 B --- --- 1 ---
1 1/4 0.495 B- --- --- --- ---
1 1/2 0.503 C --- --- --- ---
1 3/4 0.511 C- --- --- --- ---
2 0.520 D 41 1/2 13 1/4 2 1 1/2
2 1/4 0.528 D- 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- 43 3/8 --- 3 3/8
3 0.553 F 44 14 4 4
3 1/4 0.561 F- 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- 45 7/8 14 3/4 6 5 7/8
4 0.586 H- 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- 47 3/4 15 1/2 8 7 3/4
4 3/4 0.610 J 48 3/8 --- --- 8 3/8
5 0.619 J- 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- 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- 51 1/2 16 1/2 12 11 1/2
6 1/4 0.660 M 52 1/8 16 3/4 12 1/8
6 1/2 0.668 M- 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- 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- 55 7/8 --- 15 7/8
8 0.717 Q 56 1/2 18 16 16 1/2
8 1/4 0.726 Q- 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- 58 3/8 18 3/4 18 3/8
9 0.750 S 59 19 18 19
9 1/4 0.759 S- 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 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 0.800 U- 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- 64 20 3/4 23 24
11 1/4 0.825 W 64 5/8 --- 24 5/8
11 1/2 0.833 W- 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- 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- 68 3/8 --- 28 3/8
13 0.882 --- 69 22 27 29
livechat