Stretch the length of the string or floss a ruler or measuring tape and read the length in millimetres.Mark where the string or floss overlaps with a pen/marker.Wrap the string or floss around the base of the finger on which you want to wear your ring.
Things you need: String, floss or measuring tape & finger
The method is particularly useful when you don't have a ring that fits your finger properly yet, as the only thing you need is some string, floss or measuring tape. The third method to determine your ring size is by measuring the circumference of your finger.
