Ring Size

Ring size US to mm

 


 

Size
 Joint Circumference in Milimeter
Size 6 55.0 - 57.9 mm
Size 7 58.0 - 60.5 mm
Size 8 60.6 - 63.2 mm
Size 9 63.3 - 65.6 mm
Size 10 66.3 - 68.2 mm
Size 11 68.3 - 71.4 mm
Size 12 71.5 - 73.4 mm