Ring Sizing.
First, select a ring that fits for the finger.
Next, measure the diameter opening of that ring.
Use the chart below to determine your ring size.
INTERNAL DIAMETER (MM)
14.1 US / CANADA 3 | UK / AUS F
14.9 US / CANADA 4 | UK / AUS H
15.7 US / CANADA 5 | UK / AUS J
16.5 US / CANADA 6 | UK / AUS L
17.3 US / CANADA 7 | UK / AUS N
18.1 US / CANADA 8 | UK / AUS P
19.0 US / CANADA 9 | UK / AUS R
19.8 US / CANADA 10 | UK / AUS T
20.6 US / CANADA 11 | UK / AUS V
21.4 US / CANADA 12 | UK / AUS X
22.2 US / CANADA 13 | UK / AUS Z
