The most complete and #1 source for your ring size conversions. Accurately determine what ring size you are in all international sizing standards.

The most complete and #1 source for your ring size conversions. Accurately determine what ring size you are in all international sizing standards. Use this important info to help you use this resource.

The most complete and #1 source for your ring size conversions. Accurately determine what ring size you are in all international sizing standards. Resources here for comparing sizes and basic ring sizing tool.

Use the circles below to judge sizes against your existing rings. Make sure you line the circles up below with the inside of your band to get an idea of size. 14.86mm Size 4 HI/2 16.92mm Size 6.5 15.27mm Size 4.5 1 1/2 17.35mm Size 7 Cut Out 15.70mm Size 5 J 1/2 17.75mm Size 7.5 14.05mm Size 3 16.10mm Size 5.5 18.19mm Size 8 20.20mm Size 10.5 U 1/2