Determine your ring size using a ruler and a ring that suits you.
Measure the inside diameter of your ring using a ruler.
Consult the chart below to determine your size.
If your ring is halfway between two sizes, it is better to take the larger size for more comfort (or if possible, a half size larger)
A larger ring will have more grip on your finger, so it is common to take a half size larger in order to be more comfortable. If in doubt, go to the store and try on the rings to be sure of your size.
Determine your bracelet size using a string and a ruler .
Wrap around your wrist using the string, taking care to mark where the string crosses.
Place the string on the ruler to determine your height.