Jewelry-Making Techniques

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Ring Size Guide

From the Fire Mountain Gems and Beads Collection
9901

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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