How to size your finger with a piece of string:
1. Use a piece of string and wrap it around your finger.
2. Mark the location where the thread meets with a pen.
3. Measure the distance with a millimetre ruler.
4. Use the chart below to determine your ring size.
How to size your finger with a ring that fits you:
1. Use a ruler to measure the distance across your chosen ring in millimetres.
2. Use the chart below to determine your ring size.