Ring Size Guide

Follow the steps below to measure your ring size accurately at home.

1. Cut a thin strip of paper or use a flexible measuring tape.
2. Wrap it comfortably around the base of your finger where the ring will sit.
3. Mark the point where the ends meet.
4. Measure the length using a ruler in millimeters (mm).
5. Match your measurement with the ring size chart below.

Using the Printable Ring Sizer PDF:

1. Download and print the ring sizer PDF above.
2. Ensure your printer settings are set to 100% scale or “Actual Size”.
3. Use the printed guide to compare an existing ring or measure directly with the sizer.
4. For best accuracy, avoid resizing or scaling the PDF during printing.

Tip: Finger sizes may vary slightly throughout the day depending on temperature and activity.

Diameter (mm)	Circumference (mm)	US / CA Size
15.1	47.43	4
15.5	48.69	4½
16.0	50.26	5
16.3	51.20	5½
16.7	52.46	6
17.1	53.72	6½
17.4	54.66	7
17.7	55.60	7½
18.1	56.86	8
18.5	58.11	8½
18.9	59.37	9
19.4	60.94	9½
19.8	62.20	10
20.3	63.77	10½
20.6	64.87	11