how to measure your ring size
Instructions. Things You'll Need. 1  Ruler. 2  Thin strip of paper. 3  Cut a thin strip of paper. 4  Wrap the paper around your finger. Make sure the paper is below the joint of your finger and close to your knuckle.5  Mark the spot where the paper meets and measure the distance with your ruler.nstructions. Things You'll Need. 1  Ruler. 2  Thin strip of paper. 3  Cut a thin strip of paper. 4  Wrap the paper around your finger. Make sure the paper is below the joint of your finger and close to your knuckle.