Fingers can swell or shrink due to temperature ... you can use it to measure your size. Find a printable ring size chart ...

Then, by comparing this measurement to a ring size chart, you will be able to narrow down your size. Keep in mind that finger size can change depending on the weather– with colder fingers ...

Don't guess at ring size. A ring that's too large might slip off a finger, especially when its wearer's hands are cold, wet, or both. A ring that's too tight is a pain to get on and off and can be ...

Something as personal as a smart ring is hard to get right since the size of the finger differs from person to person. With this in mind, smart ring manufacturers have finally figured out that ...