1. Cut a piece of string or this strip of paper at least 3 inches long 2. Wrap it snugly around your ring finger 3. Use a pen or pencil to mark where the ends overlap 4. Lay it flat and use a ruler to measure the length in millimeters 5. Use the chart below to find the corresponding size
USA Size
Measurement in Millimeters
European Size
4
14.8 mm
47
5
15.7 mm
49
6
16.5 mm
52
7
17.3 mm
54
8
18.2 mm
56
9
18.9 mm
59
10
19.8 mm
62
11
20.7 mm
65
12
21.5 mm
67
13
22.3 mm
70
14
22.2 mm
72
Still need help? Get a FREE Ring Sizer from us!
Purchase a ring sizer for you to measure all your fingers and keep in a safe place. Making all those ring size questions disappear. Free, just pay for shipping.