Place your credit card according to the template below. Use + and - to adjust the slider until the red lines match your card’s height.
Place your card here
Place a ruler according to the template below. Use the + and - buttons to adjust the markings until the measurements on both the screen and your ruler match up.
Place ruler here
Use your Ring
Place your ring on the circle below. Use + and - to adjust the size of the circle until you can’t see any blue within the ring.
You will know you have adjusted correctly when you see only red inside and only blue on the outside. Click “Apply” when you finished.
Congratulations!
Your ring size is
There was some error due measurement. Start from beginning and check entered values.