You can find the approximate internal dimensions of each Ring 3 size below. The above table should be used as a guide, and we don’t recommend using the dimension chart to pick an Oura Ring size.

Then, by comparing this measurement to a ring size chart, you will be able to narrow down your size. Keep in mind that finger ...

then use the chart below to find the correct corresponding ring size. This method is discreet and ideal for gifting as well.’ ...