Use our free ring size converter to determine your ring size by circumference or diameter. Please, follow the simple steps below to determine your ring size: Choose your preferred sizing method; Move the slider until the selected object fits between the boxes (to help with proportions)

Ring size conversion chart for ring sizes from the United States, UK, Italy, France, Spain, Germany and Japan.

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

A ring size calculator is a online helpful tool to find out the perfect ring size from the existing ring you have. It helps to find the size of a ring you already have, which fits you perfectly . This ring size calculator provides ring sizes for the United States, United Kingdom, and European Union.

Your ring should fit your finger comfortably, snug enough so that it will not fall off, but loose enough to slide over your knuckle. If ordering from outside of the US or Canada, determine your ring size according to your country’s standard. Use the International Ring Size Chart to convert to the corresponding US ring size to place your order.