RING SIZING CHART
Inside diameter | Inside circumference | Sizes | ||||||
---|---|---|---|---|---|---|---|---|
(in) | (mm) | (in) | (mm) | United States, Canada and Mexico | United Kingdom, Ireland, Australia, South Africa and New Zealand | Italy, Spain, Switzerland | ||
0.57 | 14.48 | 1.79 | 45.5 | 3 1/2 | G | 5.5 | ||
0.578 | 14.68 | 1.82 | 46.1 | 3 3/4 | G 1/2 | 6 | ||
0.586 | 15.09 | 1.84 | 46.8 | 4 | H | 6.75 | ||
0.594 | 15.09 | 1.87 | 47.4 | 4 1/4 | H 1/2 | 7.5 | ||
0.602 | 15.29 | 1.89 | 48 | 4 1/2 | I | 8 | ||
0.61 | 15.49 | 1.92 | 48.7 | 4 3/4 | J | 8.75 | ||
0.618 | 15.7 | 1.94 | 49.3 | 5 | J 1/2 | 9.25 | ||
0.626 | 15.9 | 1.97 | 50 | 5 1/4 | K | 10 | ||
0.634 | 16.1 | 1.99 | 50.6 | 5 1/2 | K 1/2 | 10.5 | ||
0.642 | 16.31 | 2.02 | 48.7 | 5 3/4 | L | 11.25 | ||
0.65 | 16.51 | 2.04 | 51.9 | 6 | L 1/2 | 11.75 | ||
0.634 | 16.1 | 1.99 | 50.6 | 5 1/2 | K 1/2 | 10.5 | ||
0658 | 16.71 | 2.07 | 52.5 | 6 1/4 | M | 12.5 | ||
0.666 | 16.92 | 2.09 | 53.1 | 6 1/2 | M 1/2 | 13.25 | ||
0.674 | 17.12 | 2.12 | 53.8 | 6 3/4 | N | 13.75 | ||
0.682 | 17.32 | 2.14 | 54.4 | 7 | N 1/2 | 14.5 | ||
0.69 | 17.53 | 2.17 | 55.1 | 7 1/4 | O | 15 | ||
0.698 | 17.73 | 2.19 | 55.7 | 7 1/2 | O 1/2 | 15.75 | ||
0.706 | 17.93 | 2.22 | 56.3 | 7 3/4 | P | 16.25 | ||
0.714 | 18.14 | 2.24 | 57 | 8 | P 1/2 | 17 | ||
0.722 | 18.34 | 2.27 | 57.6 | 8 1/4 | Q | 17.25 | ||
0.73 | 18.54 | 2.29 | 58.3 | 8 1/2 | Q 1/2 | 18.25 | ||
0.738 | 18.75 | 2.32 | 58.9 | 8 3/4 | R | 19 | ||
0.746 | 18.95 | 2.34 | 59.5 | 9 | R 1/2 | 19.5 | ||
0.754 | 19.15 | 2.37 | 60.2 | 9 1/4 | S | 20.25 | ||
0.762 | 19.35 | 2.39 | 60.8 | 9 1/2 | S 1/2 | 20.75 | ||
0.77 | 19.56 | 2.42 | 61.4 | 9 3/4 | T | 21.5 | ||
0.778 | 19.76 | 2.44 | 62.1 | 10 | T 1/2 | 22 | ||
0.786 | 19.96 | 2.47 | 62.7 | 10 1/4 | U | 22.75 | ||
0.794 | 20.17 | 2.49 | 63.4 | 10 1/2 | U 1/2 | 23.35 | ||
0.802 | 20.37 | 2.52 | 64 | 10 3/4 | V | 24 | ||
0.81 | 20.57 | 2.54 | 64.6 | 11 | V 1/2 | 24.75 | ||
0.818 | 20.78 | 2.57 | 65.3 | 11 1/4 | W | 25.25 | ||
0.826 | 20.98 | 2.59 | 65.9 | 11 1/2 | W 1/2 | 26 | ||
0.834 | 21.18 | 2.62 | 66.6 | 11 3/4 | X | 26.5 | ||
0.842 | 21.39 | 2.65 | 67.2 | 12 | X 1/2 | 27.75 | ||
0.85 | 21.59 | 2.67 | 67.8 | 12 1/4 | Y | 27.75 | ||
0.858 | 21.79 | 2.7 | 68.5 | 12 1/2 | Z | 28.5 |