To get an accurate measurement, make sure your hands and fingers are at room temperature.

Use a piece of string or a strip of paper and wrap it around the base of your finger. Make sure the fit is snug but it can still slip over your knuckle

Use a pen to mark the point where the string or paper forms a complete circle around your finger.

Lay the string or paper along a ruler with millimeter markings. Measure the length from the start of the paper or string to the mark you made.

Use the table below to determine your ring size based on the number of millimeters: