Ring Size Chart
Inside Diameter | Inside Circumference | Sizes | ||
MM | Inches | MM | Inches | US & Canada |
9.91 | 0.390 | 31.13 | 1.22 | 0000 |
10.72 | 0.442 | 33.68 | 1.39 | 00 |
11.53 | 0.454 | 36.22 | 1.43 | 0 |
11.95 | 0.474 | 37.54 | 1.49 | 1/2 |
12.18 | 0.482 | 38.26 | 1.51 | 3/4 |
12.37 | 0.487 | 38.86 | 1.53 | 1 |
12.60 | 0.496 | 39.58 | 1.56 | 1 1/4 |
12.78 | 0.503 | 40.15 | 1.58 | 1 1/2 |
13.00 | 0.512 | 40.84 | 1.61 | 1 3/4 |
13.21 | 0.520 | 41.50 | 1.63 | 2 |
13.41 | 0.528 | 42.13 | 1.66 | 2 1/4 |
13.61 | 0.536 | 42.76 | 1.68 | 2 1/2 |
13.83 | 0.544 | 43.45 | 1.71 | 2 3/4 |
14.05 | 0.553 | 44.14 | 1.74 | 3 |
14.15 | 0.557 | 44.45 | 1.75 | 3 1/8 |
14.25 | 0.561 | 44.77 | 1.76 | 3 1/4 |
14.36 | 0.565 | 45.11 | 1.77 | 3 3/8 |
14.45 | 0.569 | 45.40 | 1.79 | 3 1/2 |
14.56 | 0.573 | 45.74 | 1.80 | 3 5/8 |
14.65 | 0.577 | 46.02 | 1.81 | 3 3/4 |
14.86 | 0.585 | 46.68 | 1.84 | 4 |
15.04 | 0.592 | 47.25 | 1.86 | 4 1/4 |
15.27 | 0.601 | 47.97 | 1.89 | 4 1/2 |
15.40 | 0.606 | 48.38 | 1.90 | 4 5/8 |
15.53 | 0.611 | 48.79 | 1.92 | 4 3/4 |
15.70 | 0.618 | 49.32 | 1.94 | 5 |
15.80 | 0.622 | 49.64 | 1.95 | 5 1/8 |
15.90 | 0.626 | 49.95 | 1.97 | 5 1/4 |
16.00 | 0.630 | 50.27 | 1.98 | 5 3/8 |
16.10 | 0.634 | 50.58 | 1.99 | 5 1/2 |
16.30 | 0.642 | 51.21 | 2.02 | 5 3/4 |
16.41 | 0.646 | 51.55 | 2.03 | 5 7/8 |
16.51 | 0.650 | 51.87 | 2.04 | 6 |
16.71 | 0.658 | 52.50 | 2.07 | 6 1/4 |
16.92 | 0.666 | 53.16 | 2.09 | 6 1/2 |
17.13 | 0.674 | 53.82 | 2.12 | 6 3/4 |
17.35 | 0.683 | 54.51 | 2.15 | 7 |
17.45 | 0.687 | 54.82 | 2.16 | 7 1/4 |
17.75 | 0.699 | 55.76 | 2.20 | 7 1/2 |
17.97 | 0.707 | 56.45 | 2.22 | 7 3/4 |
18.19 | 0.716 | 57.15 | 2.25 | 8 |
18.35 | 0.722 | 57.65 | 2.27 | 8 1/4 |
18.53 | 0.729 | 58.21 | 2.29 | 8 1/2 |
18.61 | 0.733 | 58.47 | 2.30 | 8 5/8 |
18.69 | 0.736 | 58.72 | 2.31 | 8 3/4 |
18.80 | 0.740 | 59.06 | 2.32 | 8 7/8 |
18.89 | 0.748 | 59.34 | 2.35 | 9 |
19.10 | 0.752 | 60.00 | 2.36 | 9 1/8 |
19.22 | 0.757 | 60.38 | 2.38 | 9 1/4 |
19.31 | 0.760 | 60.66 | 2.39 | 9 3/8 |
19.41 | 0.764 | 60.98 | 2.40 | 9 1/2 |
19.51 | 0.768 | 61.29 | 2.41 | 9 5/8 |
19.62 | 0.772 | 61.64 | 2.43 | 9 3/4 |
19.84 | 0.781 | 62.33 | 2.45 | 10 |
20.02 | 0.788 | 62.89 | 2.48 | 10 1/4 |
20.20 | 0.797 | 63.46 | 2.50 | 10 1/2 |
20.32 | 0.800 | 63.84 | 2.51 | 10 5/8 |
20.44 | 0.805 | 64.21 | 2.53 | 10 3/4 |
20.68 | 0.814 | 64.97 | 2.56 | 11 |
20.76 | 0.817 | 65.22 | 2.57 | 11 1/8 |
20.85 | 0.821 | 65.50 | 2.58 | 11 1/4 |
20.94 | 0.824 | 65.78 | 2.59 | 11 3/8 |
21.08 | 0.830 | 66.22 | 2.61 | 11 1/2 |
21.18 | 0.834 | 66.54 | 2.62 | 11 5/8 |
21.24 | 0.836 | 66.73 | 2.63 | 11 3/4 |
21.30 | 0.839 | 66.92 | 2.64 | 11 7/8 |
21.49 | 0.846 | 67.51 | 2.66 | 12 |
21.69 | 0.854 | 68.14 | 2.68 | 12 1/4 |
21.89 | 0.862 | 68.77 | 2.71 | 12 1/2 |
22.10 | 0.870 | 69.43 | 2.73 | 12 3/4 |
22.33 | 0.879 | 70.15 | 2.76 | 13 |
22.60 | 0.890 | 71.00 | 2.80 | 13.5 |
22.69 | 0.893 | 71.28 | 2.81 | - |
22.92 | 0.902 | 72.00 | 2.83 | - |
23.06 | 0.908 | 72.45 | 2.85 | - |
23.24 | 0.915 | 73.01 | 2.87 | - |
23.47 | 0.924 | 73.73 | 2.90 | - |
23.55 | 0.927 | 73.98 | 2.91 | - |
23.87 | 0.940 | 74.99 | 2.95 | - |
24.27 | 0.956 | 76.25 | 3.00 | - |