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

If you don’t have time to wait for a sizing kit, measure the internal diameter of a ring you’re already wearing on your index or ring fingers and choose a similar Oura Ring size. We don’t ...

It's easy to find your ring size. Here are three ways to do it that, if done right, are sure to work. Quick pro tip: Measure at the end of the day because your finger will be at its most swollen then.