Ring Size Guide
9901
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Reference Chart
STEP 1
Wrap a piece of string around the largest part of your finger (this may be the knuckle).
STEP 2
Mark or cut the string at the length which wraps around your finger exactly one time.
STEP 3
Measure that length of string against a standard ruler.
STEP 4
Compare against the closest circumference in the chart below to find your size.
Inside Diameter | Inside Circumference | Size | |||||||
Millimeters | Inches | Millimeters | Inches | North America | France and Russia | Germany | Japan | Switzerland | U.K. and Australia |
15.7 | 0.618 | 49.32 | 1.94 | 6 | 15-3/4 | 9 | J 1/2 | ||
15.8 | 0.622 | 49.64 | 1.95 | 6-1/4 | 50 | 10 | K | ||
15.9 | 0.626 | 49.95 | 1.97 | 6-1/2 | K 1/4 | ||||
16 | 0.63 | 50.27 | 1.98 | 6-3/4 | 10 | K 1/2 | |||
16.1 | 0.634 | 50.58 | 1.99 | 7 | 51-3/4 | 16 | 11-3/4 | L | |
16.3 | 0.642 | 51.21 | 2.02 | 7-1/4 | L 1/4 | ||||
16.41 | 0.646 | 51.55 | 2.03 | 7-1/2 | L 1/2 | ||||
16.51 | 0.65 | 51.87 | 2.04 | 7-3/4 | 52-3/4 | 16-1/2 | 12 | 12-3/4 | M |
16.71 | 0.658 | 52.5 | 2.07 | 8 | M 1/2 | ||||
16.92 | 0.666 | 53.16 | 2.09 | 8-1/4 | 54 | 17 | 13 | 14 | N |
17.13 | 0.674 | 53.82 | 2.12 | 8-1/2 | N 1/2 | ||||
17.35 | 0.683 | 54.51 | 2.15 | 8-5/8 | 55-1/4 | 17-1/4 | 14 | 15-1/4 | O |
17.45 | 0.687 | 54.82 | 2.16 | 8-3/4 | O 1/2 | ||||
17.75 | 0.699 | 55.76 | 2.2 | 8-7/8 | 56-1/2 | 17-3/4 | 15 | 16-1/2 | P |
17.97 | 0.707 | 56.45 | 2.22 | 9 | P 1/2 | ||||
18.19 | 0.716 | 57.15 | 2.25 | 9-1/8 | 57-3/4 | 18 | 16 | 17-3/4 | Q |
18.35 | 0.722 | 57.65 | 2.27 | 9-1/4 | Q 1/2 | ||||
18.53 | 0.729 | 58.21 | 2.29 | 9-3/8 | 18-1/2 | 17 | Q 3/4 | ||
18.61 | 0.733 | 58.47 | 2.3 | 9-1/2 | 59 | 19 | R | ||
18.69 | 0.736 | 58.72 | 2.31 | 9-5/8 | R 1/4 | ||||
18.8 | 0.74 | 59.06 | 2.32 | 9-3/4 | R 1/2 | ||||
18.89 | 0.748 | 59.34 | 2.35 | 10 | 19 | 18 | R 3/4 | ||
19.1 | 0.752 | 60 | 2.36 | 10-1/4 | 60-1/4 | 20-1/4 | S | ||
19.22 | 0.757 | 60.38 | 2.38 | 10-1/2 | S 1/4 | ||||
19.31 | 0.76 | 60.66 | 2.39 | 10-5/8 | S 1/2 | ||||
19.41 | 0.764 | 60.98 | 2.4 | 10-3/4 | 19-1/2 | 19 | S 3/4 | ||
19.51 | 0.768 | 61.29 | 2.41 | 11 | 61-1/2 | 21-1/2 | T | ||
19.62 | 0.772 | 61.64 | 2.43 | 11-1/8 | T 1/4 | ||||
19.84 | 0.781 | 62.33 | 2.45 | 11-1/4 | 20 | 20 | T 1/2 | ||
20.02 | 0.788 | 62.89 | 2.48 | 11-3/8 | 62-3/4 | 21 | 22-3/4 | U | |
20.2 | 0.797 | 63.46 | 2.5 | 11-1/2 | 20-1/4 | 22 | U 1/2 | ||
20.32 | 0.8 | 63.84 | 2.51 | 11-5/8 | 63 | 23.75 | V | ||
20.44 | 0.805 | 64.21 | 2.53 | 11-3/4 | V 1/4 | ||||
20.68 | 0.814 | 64.97 | 2.56 | 11-7/8 | 20-3/4 | 23 | V 1/2 | ||
20.76 | 0.817 | 65.22 | 2.57 | 12 | 65 | 25 | W | ||
20.85 | 0.821 | 65.5 | 2.58 | 12-1/4 | W 1/4 | ||||
20.94 | 0.824 | 65.78 | 2.59 | 12-1/2 | W 1/2 | ||||
21.08 | 0.83 | 66.22 | 2.61 | 12-3/4 | 21 | 24 | W 3/4 | ||
21.18 | 0.834 | 66.54 | 2.62 | 13 | 66-1/4 | 26-1/4 | X | ||
21.24 | 0.836 | 66.73 | 2.63 | X 1/4 | |||||
21.3 | 0.839 | 66.92 | 2.64 | X 1/2 | |||||
21.49 | 0.846 | 67.51 | 2.66 | 67-1/2 | 21-1/4 | 25 | 27-1/2 | Y | |
21.69 | 0.854 | 68.14 | 2.68 | Y 1/2 | |||||
21.89 | 0.862 | 68.77 | 2.71 | 68-3/4 | 21-3/4 | 26 | 28-3/4 | Z | |
22.1 | 0.87 | 69.43 | 2.73 | Z 1/2 | |||||
22.33 | 0.87 | 70.15 | 2.76 | 22 | 27 | Z+1 | |||
22.6 | 0.89 | 71 | 2.8 | Z+1.5 | |||||
22.69 | 0.893 | 71.28 | 2.81 | Z+2 | |||||
22.92 | 0.902 | 72 | 2.83 | Z+2.5 | |||||
23.06 | 0.908 | 72.45 | 2.85 | Z+3 | |||||
23.24 | 0.915 | 73.01 | 2.87 | Z+3.5 | |||||
23.47 | 0.924 | 73.73 | 2.9 | Z+4 | |||||
23.55 | 0.927 | 73.98 | 2.91 | Z+4.5 | |||||
23.87 | 0.94 | 74.99 | 2.95 | Z+5 | |||||
24.27 | 0.956 | 76.25 | 3 | Z+6 |
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