Print and calibrate the diagram by measuring the ruler at the bottom.Ġ3. However, don’t make the mistake of assuming your fingers are all the same size! We can’t tell you how many times we’ve seen someone measure a ring size from a right-hand ring only to find out their left ring finger is a totally different size. Sizing from another ring can be a very accurate way to measure your ring size. Not all fingers are sized the same! Make sure you’re measuring for your left ring finger.
