Sizing Guide | Stephen Webster

Ring Size Guide

To measure your finger, you can use a tape measure. Measure the circumference of your finger in mm and find you corresponding size from the conversion chart below.

Alternatively, you can download our size guide to find your ring size.

DOWNLOAD SIZE GUIDE

To get the most accurate measurement of your finger, measure at room temperation, when you hands are not unusually hot or cold.

Remember that your two hands differe slightly in size; a ring worn on the a finger of the left hand may not be a perfect fir for the finger on the right hand.

If you are hesitating between two size, choose the larger size.

Stephen Webster	Circumference (mm)	Diameter (mm)	UK & Australia	USA & Canada	Europe	China	Singapore & Japan	Hong Kong	Switzerland
3	44.2	14.1	F½	3	44	6	4	6	4
	44.8	14.3	G		45		5		5.25
3.5	45.5	14.5	G½	3.5		7		7.5
	46.1	14.7	H		46		6		6.5
4	46.8	14.9	H½	4	47	8	7	9
	47.4	15.1	I			9			7.75
4.5	48.0	15.3	I½	4.5	48		8	10
	48.7	15.5	J						9
5	49.3	15.7	J½	5	49	10	9	11
	50.0	15.9	K		50				10
5.5	50.6	16.1	K½	5.5		11	10	12
	51.2	16.3	L		51				11.75
6	51.9	16.5	L½	6	52	12	11	13	12.75
	52.5	16.7	M			13	12
6.5	53.1	16.9	M½	6.5	53		13	14.5	14
	53.8	17.1	N			14
7	54.4	17.3	N½	7	54		14	16	15.25
	55.1	17.5	O		55	15
7.5	55.7	17.7	O½	7.5			15	17	16.5
	56.3	17.9	P		56	16
8	57.0	18.1	P½	8	57	17	16		17.75
	57.2	18.2						18
	57.6	18.3	Q
8.5	58.3	18.5	Q½	8.5	58	18	17	19
	58.9	18.8	R		59				19
9	59.5	19.0	R½	9		19	18	20.5
	60.2	19.2	S		60	20			20.25
9.5	60.8	19.4	S½	9.5	61		19	22
	61.4	19.6	T			21			21.5
10	62.1	19.8	T½	10	62		20	23
	62.7	20.0	U			22	21
10.5	63.4	20.2	U½	10.5	63		22	24	22.75
	64.0	20.4	V		64	23
11	64.6	20.6	V½	11			23	25
	65.3	20.8	W		65	24			25
11.5	65.9	21.0	W½	11.5	66	25	24	26
	66.6	21.2	X
12	67.2	21.4	X½	12	67	26	25	27.75	27.5
	67.8	21.6	Y
12.5	68.5	21.8	Z	12.5	68		26		28.75
	69.1	22.0	Z½		69
13	69.7	22.2		13	70		27	30
	70.4	22.4	Z+1
13.5	71.0	22.6	Z+2	13.5

Sizing Guide Information | Stephen Webster