The best way to find out your ring size to is have your finger professionally measured at a jewelry store with a sizing tool. We also have a printable ring size guide that you can use to measure your finger. Please see the link at this page.If you don’t have access to a printer, you can download a ring sizer app from the App store for your smart phone or tablet. There are a few free ones if you search ‘ring sizer’. All you have to do is place a ring that fits you well on your screen, and it will tell you the size.