Ring Sizing

 

AU/UK

US Inside Diameter
H 1/2 4 14.82 mm
J 1/2 5 15.62 mm
M 6 16.42 mm
O 7 17.23 mm
O 1/2 7.5 17.70 mm
Q 8 18.06 mm
Q 1/2 8.5 18.50 mm
R 3/4 9 18.82 mm
T 1/2 10 19.75 mm

 

 

We suggest you wrap a tape measure around your desired finger and then compare to the above table. Alternatively, please download printable ring sizer (link below) to determine your perfect fit.