1. Measure a Ring You Already Own

1. With your ruler or measuring tape, measure across the centre (also known as the internal diameter) in mm

2. Use our size chart to determine what your ring size is

2. Measure The Circumference of Your Finger

1. Wrap thin paper, string or floss around the base of your finger

2. Mark where the thin paper, string or floss first overlaps

3. Line up the thin paper, string or floss with your ruler or measuring tape and take down the measurement in mm

4. Use the chart below to determine your ring size