Finding your ring size is extremely easy!!
First off you can just measure a ring you already have that is the right size and then cross reference that.
How to measure your finger
1. Wrap a piece of string or paper strip around the base of your finger.
2. Mark the string or paper where it overlaps to form a complete circle.
3. Measure the length of the section of string or paper where it overlaps around the finger.
4. Compare your measurement with this chart to determine your ring size.
You need to take the knuckle into consideration when sizing.
Wider bands should be sized ½ -1 size