Ring Sizer

Measure your finger

1. Wrap a thin strip of paper around your finger where you will be wearing your ring
2. Pull the paper so it is snug to find your best fit
3. Mark where the paper meets and measure to get the length in millimeters 
4. Use the chart below to find your correct size

 

INTERNAL DIAMETER	14.1	14.9	15.7	16.5	17.3	18.1	19.0	19.8	20.6	21.4	22.2
US RING SIZE	3	4	5	6	7	8	9	10	11	12	13

Measure an existing ring

1. Select an existing ring that fits well
2. Measure the internal diameter of that ring to find the diameter in millimeters
3. Use the chart below to find your correct size

 

CIRCUM- FERENCE	44.2	46.8	49.3	51.9	54.4	57.0	59.5	62.1	64.6	67.2	67.7
US RING SIZE	3	4	5	6	7	8	9	10	11	12	13