The converter permits the user to convert international different ring size between America, Canada, Japan, China, British, Ireland, Australia, Germany and Switzerland. Pick a inside diameter or circumference measurement of ring, it can also calculate a perfect fit for your fingers.
How to measure your ring size
1.Cut a thin strip of paper and Wrap paper around finger.
2.Mark the spot where the paper meets the other end. Measure the distance bwtween the spot in inch or in millimeter .
3.Use the converter above to calculate your ring size. Select "Inside circumference in millimeters" or "Inside circumference in inches" item and pick a close number, click "Convert", then you can get your ring size.