Ring Size

The mine & grown free ring sizer and size chart ensures that you get the perfect fit first time every time.

We craft every ring in standard US sizes to make things simple. If you use the chart below, you’ll see how US sizes map to finger circumference and how they convert to other international sizes. Whether it’s a wedding band, engagement ring, or a fashionable ring, they all follow this simple size format.

USE OUR FREE RING SIZER

We believe finding the perfect ring size should be as simple as clicking a button. This is why we’ll send you a free reusable unisex ring sizer when you are ready.

Simply wrap the sizer around your finger, adjust until you feel comfortable with the fit, and note down the size. Once you find the perfect size, you’ll feel like it’s never going to slip off, but you’ll be able to easily slide it over your knuckle when it’s time to take it off.

Ring Size Chart

Inside circumference is the measurement that matters — match it to your local size below.

US / Canada / Mexico	UK / Australia / Ireland / NZ / South Africa	France	Germany / Russia / Ukraine / Asia	India / China / Japan / S. America / Turkey / Israel	Italy / Spain / Netherlands / Switzerland	Inside circumference (in)	Inside circumference (mm)
3	F	44	14	4	4	1.74	44.2
3.25	F 1/2	45	14 1/4	---	4 5/8	1.77	44.8
3.5	G	45.5	14 1/2	5	5 1/4	1.79	45.5
3.75	G 1/2	46	14 3/4	6	5 7/8	1.82	46.1
4	H	47	15	7	6 1/2	1.84	46.8
4.25	H 1/2	47.5	---	---	7 1/8	1.87	47.4
4.5	I	48	15 1/4	8	7 3/4	1.89	48
4.75	J	48.5	15 1/2	---	8 3/8	1.92	48.7
5	J 1/2	49	15 3/4	9	9	1.94	49.3
5.25	K	50	16	---	9 5/8	1.97	50
5.5	K 1/2	50.5	16 1/4	10	10 1/4	1.99	50.6
5.75	L	51	---	11	10 7/8	2.02	51.2
6	L 1/2	52	16 1/2	12	11 1/2	2.04	51.9
6.25	M	52.5	16 3/4	---	12 1/8	2.07	52.5
6.5	M 1/2	53	17	13	12 3/4	2.09	53.1
6.75	N	54	---	---	13 3/8	2.12	53.8
7	N 1/2	54.5	17 1/4	14	14	2.14	54.4
7.25	O	55	17 1/2	---	14 5/8	2.17	55.1
7.5	O 1/2	56	17 3/4	15	15 1/4	2.19	55.7
7.75	P	56.5	18	---	15 7/8	2.22	56.3
8	P 1/2	57	---	16	16 1/2	2.24	57
8.25	Q	58	18 1/4	---	17 1/8	2.27	57.6
8.5	Q 1/2	58.5	18 1/2	17	17 3/4	2.29	58.3
8.75	R	59	18 3/4	---	18 3/8	2.32	58.9
9	R 1/2	60	19	18	19	2.34	59.5
9.25	S	60.5	19 1/4	---	19 5/8	2.37	60.2
9.5	S 1/2	61	19 1/2	19	20 1/4	2.39	60.8
9.75	T	61.5	---	---	20 7/8	2.42	61.4
10	T 1/2	62	19 3/4	20	21 1/2	2.44	62.1
10.25	U	63	20	21	22 1/8	2.47	62.7
10.5	U 1/2	63.5	---	22	22 3/4	2.49	63.4
10.75	V	64	20 1/2	---	23 3/8	2.52	64
11	V 1/2	65	20 3/4	23	24	2.54	64.6
11.25	W	65.5	---	---	24 5/8	2.57	65.3
11.5	W 1/2	66	21	24	25 1/4	2.59	65.9
11.75	X	67	21 1/4	---	25 7/8	2.62	66.6
12	X 1/2	67.5	21 1/2	25	26 1/2	2.65	67.2
12.25	Y	68	---	---	27 1/8	2.68	68.1
12.5	Z	69	21 3/4	26	27 3/4	2.72	69.1
12.75	Z 1/2	69.5	---	---	28 3/8	2.75	69.7
13	---	70	22	27	29	2.75	69.7

How to Measure Ring Size at Home

You will need:

Some string, dental floss, or a thin strip of paper
A permanent marker pen and a ruler

Steps:

Cut your piece of string (or equivalent material) so that it is no shorter than three inches.
Take one end and wrap it around the base of the finger you want to measure.
Use your pen to mark where the end of the string overlaps with the rest of the string.
Flatten the string and measure the distance between the end and the mark, noting it down in mm.
Use our Ring Size Conversion Chart (below) to turn the length in mm into a corresponding ring size.

How to Measure Ring Size at Home (continued)

You will need:

A pair of cutting scissors
A ring with a comfortable fit
A computer, printer, and paper

Steps:

Print out our Printable Ring Sizer & Conversion Chart (below), taking care to set page scaling to ‘100’ and to use 8.5 x 11-inch size paper.
Check that you are happy with the fit of your existing ring, just to make sure.
Lay your ring over different circle sizes on the chart until you find the best match to the inside edge of your ring. Quarter sizes are also available if your ring sits somewhere between two adjacent sizes.

how to measure your ring size

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Ring Size FAQ

Find a topic

Should I wear my engagement ring every day?
Can I shower with my engagement ring on?
Is it okay to wash my hands with my ring on?
How often should my ring be professionally cleaned?
What's the biggest mistake people make with ring care?

Should I wear my engagement ring every day?

You can, and many people do, but daily wear is most sustainable when you have built the habit of removing it during high risk activities. A ring worn every day with thoughtful care will outlast one worn carelessly any day of the week.

Can I shower with my engagement ring on?

We advise against it. Soap, shampoo, and conditioner build up on diamond and gemstone surfaces over time, dulling their brilliance. It takes less than a minute to remove your ring before stepping in, and that habit will make a visible difference in how consistently your ring sparkles.

Is it okay to wash my hands with my ring on?

Occasional handwashing with a mild soap is generally fine. The concern is cumulative: frequent washing with harsh soaps, very hot water, or antibacterial formulas can wear down metal finishes over time, and soapy water does slightly increase the risk of a ring slipping off at the sink. When in doubt, take it off first.

How often should my ring be professionally cleaned?

Every six months is a good baseline. If you wear your ring daily, you may want to come in more frequently, especially if you notice visible buildup around the setting or a loss of brilliance that home cleaning does not fully restore.

What's the biggest mistake people make with ring care?

Inconsistency. The habits that protect a ring, removing it before the gym, before bed, before cleaning, are easy to build but also easy to skip. The damage from any single skipped occasion is minimal; the cumulative effect of months of inconsistency is where rings lose their brilliance and settings begin to suffer.