Ring Size Chart | Wedding Bands

Ring Size Chart

Size Diameter (in) Diameter (mm) British French German Japanese Swiss
0 0.458 11.63 -- 36.5 11.63 -- --
0.25 0.466 11.84 -- 37.2 11.84 -- --
0.5 0.474 12.04 A 37.8 12.04 -- --
0.75 0.482 12.24 A 1/2 38.5 12.24 -- --
1 0.49 12.45 B 39.1 12.45 1 --
1.25 0.498 12.65 B 1/2 39.7 12.65 -- --
1.5 0.506 12.85 C 40.4 12.85 -- 0.5
1.75 0.514 13.06 C 1/2 41 13.06 -- 1
2 0.522 13.26 D 41.7 13.26 2 1.75
2.25 0.53 13.46 D 1/2 42.3 13.46 -- 2.25
2.5 0.538 13.67 E 42.9 13.67 3 3
2.75 0.546 13.87 E 1/2 43.6 13.87 -- 3.5
3 0.554 14.07 F 44.2 14.07 4 4.25
3.25 0.562 14.27 F 1/2 44.8 14.27 5 4.75
3.5 0.57 14.48 G 45.5 14.48 -- 5.5
3.75 0.578 14.68 G 1/2 46.1 14.68 6 6
4 0.586 14.88 H 46.8 14.88 7 6.75
4.25 0.594 15.09 H 1/2 47.4 15.09 -- 7.5
4.5 0.602 15.29 I 48 15.29 8 8
4.75 0.61 15.49 J 48.7 15.49 -- 8.75
5 0.618 15.7 J 1/2 49.3 15.7 9 9.25
5.25 0.626 15.9 K 50 15.9 -- 10
5.5 0.634 16.1 K 1/2 50.6 16.1 10 10.5
5.75 0.642 16.31 L 51.2 16.31 -- 11.25
6 0.65 16.51 L 1/2 51.9 16.51 11 11.75
6.25 0.658 16.71 M 52.5 16.71 12 12.5
6.5 0.666 16.92 M 1/2 53.1 16.92 13 13.25
6.75 0.674 17.12 N 53.8 17.12 -- 13.75
7 0.682 17.32 N 1/2 54.4 17.32 14 14.5
7.25 0.69 17.53 O 55.1 17.53 -- 15
7.5 0.698 17.73 O 1/2 55.7 17.73 15 15.75
7.75 0.706 17.93 P 56.3 17.93 -- 16.25
8 0.714 18.14 P 1/2 57 18.14 16 17
8.25 0.722 18.34 Q 57.6 18.34 -- 17.5
8.5 0.73 18.54 Q 1/2 58.3 18.54 17 18.25
8.75 0.738 18.75 R 58.9 18.75 -- 19
9 0.746 18.95 R 1/2 59.5 18.95 18 19.5
9.25 0.754 19.15 S 60.2 19.15 -- 20.25
9.5 0.762 19.35 S 1/2 60.8 19.35 19 20.75
9.75 0.77 19.56 T 61.4 19.56 -- 21.5
10 0.778 19.76 T 1/2 62.1 19.76 20 22
10.25 0.786 19.96 U 62.7 19.96 21 22.75
10.5 0.794 20.17 U 1/2 63.4 20.17 22 23.25
10.75 0.802 20.37 V 64 20.37 -- 24
11 0.81 20.57 V 1/2 64.6 20.57 23 24.75
11.25 0.818 20.78 W 65.3 20.78 -- 25.25
11.5 0.826 20.98 W 1/2 65.9 20.98 24 26
11.75 0.834 21.18 X 66.6 21.18 -- 26.5
12 0.842 21.39 X 1/2 67.2 21.39 25 27.25
12.25 0.85 21.59 Y 67.8 21.59 -- 27.75
12.5 0.858 21.79 Z 68.5 21.79 26 28.5
12.75 0.866 22 Z 1/2 69.1 22 -- 29
13 0.874 22.2 -- 69.7 22.2 27 29.75
13.25 0.8825 22.4 Z1 70.4 22.4 -- 30.5
13.5 0.89 22.61 -- 71 22.61 -- 31
13.75 0.898 22.81 Z2 71.7 22.81 -- 31.75
14 0.906 23.01 Z3 72.3 23.01 -- 32.25
14.25 0.914 23.22 -- 72.9 23.22 -- 33
14.5 0.922 23.42 Z4 73.6 23.42 -- 33.5
14.75 0.93 23.62 -- 74.2 23.62 -- 34.25
15 0.938 23.83 -- 74.8 23.83 -- 34.75
15.25 0.946 24.03 -- 75.5 24.03 -- 35.5
15.5 0.954 24.23 -- 76.1 24.23 -- 36.25