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Use one of these simple methods to measure your ring size at home. For the most accurate fit, we recommend measuring at the end of the day when fingers are at their largest.

String or Paper Strip Method

  1. Cut a thin strip of paper or use a piece of string
  2. Wrap it snugly around the base of your finger
  3. Mark where the paper or string overlaps
  4. Measure the length in millimeters and compare to the diameter column in the chart below

Existing Ring Diameter Method

  1. Find a ring that fits the intended finger well
  2. Measure the inside diameter of the ring in millimeters
  3. Match the measurement to the diameter column in the chart below

Printable Ring Sizer

  1. Print a ring sizing chart at 100% scale (no scaling)
  2. Place your existing ring over the circles on the chart
  3. Match the inside edge of your ring to the circle that fits best

Ring Size Conversion Chart

SA/EU Size US Size UK Size Diameter (mm)
13 3 F 14.1
14 3.5 G 14.9
15 4.5 15.7
16 5 16.5
17 6 L 17.3
18 7 N 18.2
19 8 P 19.0
20 9 R 19.8
21 10 T 20.6
22 10.5 21.4
Helpful Tip

Ring sizes can vary slightly between different ring styles and widths. Wider bands typically require a slightly larger size. If you're between sizes, we recommend sizing up for comfort.