The sizes of TUOHI Jewelry rings give the inner diameter of the ring in millimeters.

You can determine your size in many different ways. You can measure the inner diameter of a ring you already possess with a ruler or a slide gauge. Alternatively, you can draw the inner circumference of the ring and then measure the diameter on paper.

If you do not already have a ring that fits well, you can cut a strip of paper, wrap it around your finger and mark with a pencil the spot where the ring size is right. You can then measure the inner diameter of the paper ring.

Please note that finger size can vary even within a 24-hour period. In the morning and evening fingers are often a little swollen, and at daytime finger girth is slightly smaller. Hot air causes fingers to swell, and in cool surroundings fingers are a bit thinner.

 A very broad ring model may require a slightly larger diameter than a narrow model.

If you have any questions regarding sizing, please don’t hesitate to contact us at