Measure your wrist using a flexible measuring tape.  For a comfort fit, add approximately 1/2 to 1 inch to this length to determine your bracelet length, as this allows for wrist movement.  How much you add on depends on how tight or loose you feel most comfortable.

If using a plain paper to measure your wrist, mark your strip with a pen where the end of the bracelet needs to be.  Then measure the strip of paper with a ruler.  This is the wrist size.