Ring Size Guide
1. If you don’t have a Ring
Measure the circumference of your finger.
- a. Grab a tape measure, length of string or strip of paper.
- b. Wrap it around your finger you’ll wear your ring on and mark the place where it joins.
- c. Lay your string or paper strip on a flat surface and use a ruler to measure the length up to the mark.
- d. Use the chart below to match the measurement to the closest ring size.
Size
Circumference
- (mm)
- (inches)
6
45.9
1.81
7
47.1
1.86
8
48.1
1.89
9
49.0
1.93
10
50.0
1.97
11
50.9
2
12
51.8
2.04
13
52.8
2.08
14
54.0
2.13
15
55.0
2.16
16
55.9
2.2
17
56.9
2.24
18
57.8
2.28
Size
Circumference
- (mm)
- (inches)
19
59.1
2.33
20
60.0
2.36
21
60.9
2.4
22
61.9
2.44
23
62.8
2.47
24
63.8
2.51
25
64.7
2.55
26
66.0
2.6
27
66.9
2.63
28
67.9
2.67
29
69.1
2.72
30
70.1
2.76
2. If you have a Ring
Measure the diameter of the ring.
- a. Choose a ring that already fits your finger well.
- b. Measure the interior diameter of the ring in millimeters (mm).
- c. Use the measurement chart above to match the closest size that fits you.
Size
Diameter
- (mm)
6
14.6
7
15.0
8
15.3
9
15.6
10
15.9
11
16.2
12
16.5
13
16.8
14
17.2
15
17.5
16
17.8
17
18.1
18
18.4
Size
Diameter
- (mm)
19
18.4
20
19.1
21
19.4
22
19.7
23
20.0
24
20.3
25
20.6
26
21.0
27
21.3
28
21.6
29
22.0
30
22.3
