How to Measure Your Ring Size with String - Find My Ring Size

Find the perfect ring size by using the options below or if you are converting your ring size check out our ring size chart.

Follow Steps Below

1.Take a length of floss or string and wrap it around the base of your finger.

2. Mark where the floss or string first overlaps with a pen.

3. Stretch the length of string out along a ruler or measuring tape, and take down the length in millimetres.

4. The length you measured is the circumference of your finger.

5. Use the ring size chart below to compare the circumference of your finger to the standard ring sizes.


INSIDE DIAMETER	INSIDE CIRCUMFERENCE	SIZES AUSTRALIA	SIZE USA
mm	mm	Australia & UK	US & Canada
14.86	46.68	H 1/2	4
15.7	49.32	J 1/2	5
16.51	51.87	M	6
17.35	54.51	O	7
18.19	57.15	Q	8
18.89	59.34	R 3/4	9
19.84	62.33	T 1/2	10
20.68	64.97	V 1/2	11
21.49	67.51	Y	12
22.33	70.15	Z+1	13

What if my ring doesn’t fit when it arrives?

If your ring doesn’t fit we offer free resizing within 30 days of purchase. For full resizing details please visit our detailed page here.

What should I do if I'm in between ring sizes?

If you are between sizes we recommend going up to the nearest size. This will allow for some room in warmer weather.

What is the most common ring size for men & women?

Average Woman: size 6 | Average Man: size 9 or 10

If you go wrong, returns are easy. Check out our ring size guarantee for more info.