how to determine your ring size in cm?
['Use the string and tie it slightly loose around the finger that you wish to wear the ring on. ... ', "Finger Size 5 = Finger's measurement 5cm.", "Finger Size 6 = Finger's measurement 5.5 cm.", "Finger Size 7 = Finger's measurement 6 cm.", "Finger Size 8 = Finger's measurement 6.5 cm.", "Finger Size 9 = Finger's measurement 7 cm."]