Ring Size Calculator & Chart offers a simple and intuitive interface that lets you measure your ring size using either diameter or circumference, in millimeters or inches, and provides results in various international sizes. No more guessing or relying on inaccurate sizing charts - our app ensures a perfect fit every time.

With our app, you'll never have to worry about purchasing the wrong size again. Whether you're shopping for yourself or looking for a gift for a loved one, our app takes the guesswork out of finding the perfect fit.

Ring Size Calculator & Chart lets you size your ring n the following international units: USA/CANADA, AUSTRALIA/GREAT BRITAIN, EU/ISO and JAPAN/CHINA.

Simply place your ring on top of the circle shown in the app and drag the slider until it matches the diameter/circumference of the inner circle of your ring.

Download our app today and experience the convenience and accuracy of measuring your ring size with ease!