Ring Size Guide
Canada and the United States use the same ring sizing system. Use the methods below to find your perfect fit.
Find Your Ring Size
Enter your measurement, select either circumference or diameter and we'll recommend your US / Canada size.
Circumference
Wrap a strip of paper around your finger and measure the length around it.
Diameter
Measure the width of a ring that fits your finger inside from edge to edge.
Method 1: Measure Your Finger
- Wrap a strip of paper or string around the base of your finger.
- Mark where the ends meet.
- Measure the length in millimeters.
- Compare it with the size cards below.
Method 2: Measure an Existing Ring
Measure the inside diameter of a ring that fits comfortably. Match it with the size cards below.
US 3.5
14.5 mm
45.5 mm
US 4
14.9 mm
46.7 mm
US 4.5
15.3 mm
48.0 mm
US 5
15.7 mm
49.3 mm
US 5.5
16.1 mm
50.6 mm
US 6
16.5 mm
51.9 mm
US 6.5
16.9 mm
53.1 mm
US 7
17.3 mm
54.4 mm
US 7.5
17.7 mm
55.8 mm
US 8
18.1 mm
57.2 mm
US 8.5
18.5 mm
58.2 mm
US 9
18.9 mm
59.5 mm
US 9.5
19.4 mm
60.9 mm
US 10
19.8 mm
62.1 mm
US 10.5
20.2 mm
63.3 mm
US 11
20.6 mm
64.9 mm
US 11.5
21.0 mm
66.2 mm
US 12
21.4 mm
67.2 mm
US 12.5
21.8 mm
68.4 mm
US 13
22.2 mm
70.2 mm
US 13.5
22.6 mm
71.5 mm
US 14
23.0 mm
72.8 mm
US 14.5
23.4 mm
73.9 mm
US 15
23.8 mm
75.4 mm
US 15.5
24.2 mm
76.7 mm
US 16
24.6 mm
78.0 mm
US 17
25.0 mm
80.5 mm
Tips for Accurate Sizing
- Measure your finger at the end of the day when slightly larger.
- Avoid measuring when your hands are cold.
- If between sizes, choose the larger size.
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