Follow the two methods below to accurately check your ring size. Use the first method and double check the accuracy of the ring size you got by doing the second method afterwards. If you don't have an existing ring to use for the second method, roll the paper into a circle to mimic the shape of an actual ring and measure.
Other method is to go to a silver jewelry store and having your finger sized there. We have the same ring size.
Copy and paste the following link in a separate browser to watch an actual video of getting your ring size accurately: https://www.youtube.com/watch?v=0KIo761-oo0