Ring Size Chart

There are three easy steps to determinging your ring size.

Ring on Hand1. Wrap a strip of paper or piece of string around your finger. Make sure to wrap around the widest part of your finger.
2. Mark the paper or piece of string, where it overlaps.
3. Measure the length of the paper or piece of string.
4. Compare your measurement to the chart below.

US/Canada British/
Australian
Inches Millimeters
0.5 A 1.488 37.8
1 B 1.539 39.1
1-1/2 C 1.589 40.4
2 D 1.639 41.6
2-1/2 E 1.689 42.9
3 F 1.740 44.2
3-1/2 G 1.790 45.5
4 H 1.840 46.7
4-1/2 I 1.890 48.0
5 J-1/2 1.941 49.3
5-1/2 K-1/2 1.991 50.6
6 L-1/2 2.041 51.8
6-1/2 M-1/2 2.091 53.1
7 N-1/2 2.141 54.4
7-1/2 O-1/2 2.192 55.7
8 P-1/2 2.242 56.9
8-1/2 Q-1/2 2.292 58.2
9 R-1/2 2.342 59.5
9-1/2 S-1/2 2.393 60.8
10 T-1/2 2.443 62.1
10-1/2 U-1/2 2.493 63.3
11 V-1/2 2.543 64.6
11-1/2 W-1/2 2.594 65.9
12 X-1/2 2.644 67.2
12-1/2 Z 2.694 68.4
13 Z1 2.744 69.7
13-1/2 Z2 2.795 71.0
14 Z3 2.845 72.3
14-1/2 Z4 2.895 73.5
15   2.945 74.8
15-1/2   2.996 76.1