How to determine ring size
1) if you already own a well-fitting ring, you can easily measure it's diamater. Simply place an existing ring on a ruler or tape measure and read the inside diameter in millimeters.
2) use a strip of paper, place it nice and tight around your finger and mark the point where the strip overlaps with a marker. Now simply measure the strip of paper up to the marking point and you have determined the circumference of your finger.
Once you've taken your measurements use the ring size chart to figure out your size:
