Ring Size 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00 10.50 11.00 11.50 12.00 12.50 13.00 13.50 14.00 14.50 15.00
Diameter (MM) 14.9 15.3 15.7 16.1 16.5 16.9 17.3 17.7 18.1 18.5 19.0 19.4 19.8 20.2 20.6 21.0 21.4 21.8 22.2 22.6 23.0 23.4 23.8
Circumference (MM) 46.8 48.0 49.3 50.6 51.9 53.1 54.4 55.7 57.0 58.3 59.5 60.8 62.1 63.4 64.6 65.9 67.2 68.5 69.7 71.0 72.3 73.6 74.8