1) Print the size chart shown here.
2) Making sure to set your printer to print at 100% full size.
3) Place one of your own rings over the orange circles shown to see correct size.
4) The correct orange circle should fill the inside of the ring.
5) Note that the pattern is in US size so please refer to the size chart above to find your size for the desired country.
Option 2: Measure the finger
Follow these simple steps
1) Print the size chart shown here.
2) Making sure to set your printer to print at 100% full size.
3) Cut out the pattern, followed the dashed lines
4) Cut the slit between the black arrow and letter "A".
5) Fit the end of the pattern into the slit you just made.
6) Put this pattern around your finger and pull the pointy end of the pattern and find out the size of your finger.
7) Note that the pattern is in US size so please refer to the size chart above to find your size for the desired country.