Ring Size Measurer

16.5mm
14mm 24mm
How to use:
  1. Place a ruler against your screen.
  2. Adjust the calibration slider until the ruler shown matches exactly 1cm on your physical ruler.
  3. Once calibrated, use the size slider to adjust the blue circle.
  4. Place your ring over the circle on the screen.
  5. Adjust until the inner edge of your ring matches the circle perfectly.
  6. Read your exact ring size in millimeters.

Ring Size Measurer

16.5mm
14mm 24mm
How to use:
  1. Place a ruler against your screen
  2. Adjust the calibration slider until the ruler shown matches exactly 1cm on your physical ruler
  3. Once calibrated, use the size slider to adjust the blue circle
  4. Place your ring over the circle on the screen
  5. Adjust until the inner edge of your ring matches the circle perfectly
  6. Read your exact ring size in millimeters