Determine your ring size

The Official International Ring Size Conversion Chart

The Official International Ring Size Conversion Chart - Resources

Ring size conversion chart | Circumference (mm)

NFC Ring Size Chart | Inside Circumference (mm)

Ring size - Wikipedia

Ring size is a measurement used to denote the circumference of jewellery and smart rings. Ring sizes can be measured physically by a paper, plastic or metal ring sizer (as a gauge) or by measuring the inner diameter of a ring that already fits (mainly employing ring sticks).

Men's Ring Size Chart: How to Find Your Ring Size

Ring Sizes: How to Measure Your Ring Size EASILY at Home + Chart