Ring Size Chart
Inside Diameter | Inside Circumference | Sizes | |||||
---|---|---|---|---|---|---|---|
(inches) | (mm) | (inches) | (mm) | United States & Canada | United Kingdom, Ireland, Australia & New Zealand | India, China & Japan | Switzerland |
0.459 | 11.6586 | 1.44 | 36.576 | 0 | |||
0.466 | 11.8364 | 1.46 | 37.084 | 1/4 | |||
0.474 | 12.0396 | 1.49 | 37.846 | 1/2 | A | ||
0.482 | 12.2428 | 1.51 | 38.354 | 3/4 | A 1/2 | ||
0.49 | 12.446 | 1.54 | 39.116 | 1 | B | 1 | |
0.498 | 12.6492 | 1.56 | 39.624 | 1 1/4 | B 1/2 | ||
0.506 | 12.8524 | 1.59 | 40.386 | 1 1/2 | C | ||
0.514 | 13.0556 | 1.61 | 40.894 | 1 3/4 | C 1/2 | ||
0.522 | 13.2588 | 1.64 | 41.656 | 2 | D | 2 | 1.5 |
0.53 | 13.462 | 1.67 | 42.418 | 2 1/4 | D 1/2 | ||
0.538 | 13.6652 | 1.69 | 42.926 | 2 1/2 | E | 3 | 2.75 |
0.546 | 13.8684 | 1.72 | 43.688 | 2 3/4 | E 1/2 | ||
0.554 | 14.0716 | 1.74 | 44.196 | 3 | F | 4 | 4 |
0.562 | 14.2748 | 1.77 | 44.958 | 3 1/4 | F 1/2 | 5 | 5.25 |
0.57 | 14.478 | 1.79 | 45.466 | 3 1/2 | G | ||
0.578 | 14.6812 | 1.82 | 46.228 | 3 3/4 | G 1/2 | 6 | 6.5 |
0.586 | 14.8844 | 1.84 | 46.736 | 4 | H | 7 | |
0.594 | 15.0876 | 1.87 | 47.498 | 4 1/4 | H 1/2 | 7.75 | |
0.602 | 15.2908 | 1.89 | 48.006 | 4 1/2 | I | 8 | |
0.61 | 15.494 | 1.92 | 48.768 | 4 3/4 | J | 9 | |
0.618 | 15.6972 | 1.94 | 49.276 | 5 | J 1/2 | 9 | |
0.626 | 15.9004 | 1.97 | 50.038 | 5 1/4 | K | 10 | |
0.634 | 16.1036 | 1.99 | 50.546 | 5 1/2 | K 1/2 | 10 | |
0.642 | 16.3068 | 2.02 | 51.308 | 5 3/4 | L | 11.75 | |
0.65 | 16.51 | 2.04 | 51.816 | 6 | L 1/2 | 11 | 12.75 |
0.658 | 16.7132 | 2.07 | 52.578 | 6 1/4 | M | 12 | |
0.666 | 16.9164 | 2.09 | 53.086 | 6 1/2 | M 1/2 | 13 | 14 |
0.674 | 17.1196 | 2.12 | 53.848 | 6 3/4 | N | ||
0.682 | 17.3228 | 2.14 | 54.356 | 7 | N 1/2 | 14 | 15.25 |
0.69 | 17.526 | 2.17 | 55.118 | 7 1/4 | O | ||
0.698 | 17.7292 | 2.19 | 55.626 | 7 1/2 | O 1/2 | 15 | 16.5 |
0.706 | 17.9324 | 2.22 | 56.388 | 7 3/4 | P | ||
0.714 | 18.1356 | 2.24 | 56.896 | 8 | P 1/2 | 16 | 17.75 |
0.722 | 18.3388 | 2.27 | 57.658 | 8 1/4 | Q | ||
0.73 | 18.542 | 2.29 | 58.166 | 8 1/2 | Q 1/2 | 17 | |
0.738 | 18.7452 | 2.32 | 58.928 | 8 3/4 | R | 19 | |
0.746 | 18.9484 | 2.34 | 59.436 | 9 | R 1/2 | 18 | |
0.754 | 19.1516 | 2.37 | 60.198 | 9 1/4 | S | 20.25 | |
0.762 | 19.3548 | 2.39 | 60.706 | 9 1/2 | S 1/2 | 19 | |
0.77 | 19.558 | 2.42 | 61.468 | 9 3/4 | T | 21.5 | |
0.778 | 19.7612 | 2.44 | 61.976 | 10 | T 1/2 | 20 | |
0.786 | 19.9644 | 2.47 | 62.738 | 10 1/4 | U | 21 | |
0.794 | 20.1676 | 2.49 | 63.246 | 10 1/2 | U 1/2 | 22 | 22.75 |
0.802 | 20.3708 | 2.52 | 64.008 | 10 3/4 | V | ||
0.81 | 20.574 | 2.54 | 64.516 | 11 | V 1/2 | 23 | |
0.818 | 20.7772 | 2.57 | 65.278 | 11 1/4 | W | 25 | |
0.826 | 20.9804 | 2.59 | 65.786 | 11 1/2 | W 1/2 | 24 | |
0.834 | 21.1836 | 2.62 | 66.548 | 11 3/4 | X | ||
0.842 | 21.3868 | 2.65 | 67.31 | 12 | X 1/2 | 25 | |
0.85 | 21.59 | 2.67 | 67.818 | 12 1/4 | Y | ||
0.858 | 21.7932 | 2.7 | 68.58 | 12 1/2 | Z | 26 | 28.75 |
0.866 | 21.9964 | 2.72 | 69.088 | 12 3/4 | Z 1/2 | ||
0.874 | 22.1996 | 2.75 | 69.85 | 13 | 27 | ||
0.882 | 22.4028 | 2.77 | 70.358 | 13 1/4 | Z1 | ||
0.89 | 22.606 | 2.8 | 71.12 | 13 1/2 | |||
0.898 | 22.8092 | 2.82 | 71.628 | 13 3/4 | Z2 | ||
0.906 | 23.0124 | 2.85 | 72.39 | 14 | Z3 | ||
0.914 | 23.2156 | 2.87 | 72.898 | 14 1/4 | |||
0.922 | 23.4188 | 2.9 | 73.66 | 14 1/2 | Z4 | ||
0.93 | 23.622 | 2.92 | 74.168 | 14 3/4 | |||
0.938 | 23.8252 | 2.95 | 74.93 | 15 | |||
0.946 | 24.0284 | 2.97 | 75.438 | 15 1/4 | |||
0.954 | 24.2316 | 3 | 76.2 | 15 1/2 | |||
0.962 | 24.4348 | 3.02 | 76.708 | 15 3/4 | |||
0.97 | 24.638 | 3.05 | 77.47 | 16 |