Click to check the ring size chart.

A - IF YOU KNOW YOUR SIZE:

If you know your size or finger measurement (in mm), you can go to any online ring conversion website and enter your info.
Here is an example: http://www.onlineconversion.com/ring_size.htm

B - MEASURING YOUR FINGER WITH A PRINTED SIZE CHART:

1. Right-Click on the image below and select Save Image As.
2. Print the image without scaling and ensure the length from the 'Read Size Here' line to the end is 3.5 inches.
3. Cut out the printed image, then wrap the sizer around the desired finger. Read the number next the 'Read Size Here' line.