International Ring Size Chart

Finding the perfect ring size is essential for comfort and a secure fit. Use our international ring size chart to easily convert between Indian, UK, and USA sizing standards. Whether you're purchasing a ring for yourself or as a gift for someone else, this chart ensures you select the perfect size with confidence. To achieve the most accurate measurement, consider using a ring sizer or referring to an existing well-fitting ring. Explore the conversion chart below to find the right match for your needs. In case you are unsure of your ring size, explore Precious Earth's ring sizing guide here.

Ring Inner Diameter (mm)	Ring Inner Diameter (inches)	Indian Size	UK Size	US Size
13.1	0.51	1
13.3	0.52	2
13.7	0.54	3
13.9	0.55	4
14.3	0.56	5
14.7	0.58	6
15.1	0.59	7	H½	4¼
15.3	0.6	8	I	4½
15.5	0.61	9	J	4¾
15.9	0.63	10	K	5¼
16.3	0.64	11	L	5¾
16.5	0.65	12	L½	6
16.9	0.67	13	M½	6½
17.3	0.68	14	N½	7
17.5	0.69	15	O	7¼
17.9	0.71	16	P	7¾
18.1	0.71	17	P½	8
18.5	0.73	18	Q½	8½
18.8	0.74	19	R	8¾
19.2	0.75	20	S	9¼
19.4	0.76	21	S½	9½
19.8	0.78	22	T½	10
20	0.79	23	U	10¼
20.4	0.8	24	V	10¾
20.6	0.81	25	V½	11
21	0.83	26	W½	11½
21.4	0.84	27	X½	12
21.6	0.85	28	Y	12¼
22	0.87	29	Z½	12¾
22.3	0.88	30		13
22.6	0.89	31	Z2	13½
22.9	0.9	32
23.2	0.91	33
23.5	0.92	34
23.9	0.94	35
24.2	0.95	36