Ring Sizing Charts

The charts below list standard ring sizes by age group and lists the most common international size conversions. Because ring sizes do vary we recommend using this chart as a starting place only. Please measure the child's actual finger with a ring sizer when possible.

Childrens Ring Size Chart - Girls & Boys
CHILD SIZES BY AGE RANGE	UNITED STATES & CANADA CHILD RING SIZES		INSIDE DIAMETER (mm/inch)	UK, IRELAND, AUSTRALIA, & NEW ZEALAND CHILD RING SIZES	ITALY, SPAIN, NETHERLANDS, & SWITZERLAND CHILD RING SIZES	INDIA, CHINA, JAPAN, & SOUTH AMERICA CHILD RING SIZES
(0 - 6 months)	½	SHOP THIS RING SIZE	12mm 0.47"	A	----	----
(3 months - 2 years)	1	SHOP THIS RING SIZE	12.5mm 0.49"	B	----	1
(6 months - 3 years)	1½		12.9mm 0.51"	C	0.5	----
(1 - 4 years)	2	SHOP THIS RING SIZE	13.3mm 0.52"	D	1.75	2
(2 - 6 years)	2½	SHOP THIS RING SIZE	13.7mm 0.54"	E	3	3
(3 - 8 years)	3	SHOP THIS RING SIZE	14.1mm 0.55"	F	4.25	4
(4 - 10 years)	3½	SHOP THIS RING SIZE	14.5mm 0.57"	G	5.5	----
(4 - 12 years)	4	SHOP THIS RING SIZE	14.9mm 0.59"	H	6.75	7
(4 - 14 years)	4½	SHOP THIS RING SIZE	15.3mm 0.60"	I	8	8
(5 years - Petite Adult)	5	SHOP THIS RING SIZE	15.7mm 0.62"	J½	9.25	9
(5 years - Petite Adult)	5½	SHOP THIS RING SIZE	16.1mm 0.63"	K½	10.5	10

Womens Ring Size Chart
WOMENS SIZES	UNITED STATES & CANADA WOMENS RING SIZES		INSIDE DIAMETER (mm/inch)	UK, IRELAND, AUSTRALIA, & NEW ZEALAND WOMENS RING SIZES	ITALY, SPAIN, NETHERLANDS, & SWITZERLAND WOMENS RING SIZES	INDIA, CHINA, JAPAN, & SOUTH AMERICA WOMENS RING SIZES
(Petite Womens)	5	SHOP THIS RING SIZE	15.7mm 0.62"	J½	9.25	9
(Petite Womens)	5½	SHOP THIS RING SIZE	16.1mm 0.63"	K½	10.5	10
(Average Womens)	6	SHOP THIS RING SIZE	16.5mm 0.65"	L½	11.75	11
(Average Womens)	6½	SHOP THIS RING SIZE	16.9mm 0.67"	M½	13.25	13
(Average Womens)	7	SHOP THIS RING SIZE	17.3mm 0.68"	N½	14.5	14
(Average Womens)	7½	SHOP THIS RING SIZE	17.7mm 0.70"	O½	15.75	15
(Large Womens)	8		18.1mm 0.71"	P½	17	16
(Large Womens)	8½		18.5mm 0.73"	Q½	18.25	17
(Large Womens)	9		19.0mm 0.75"	R½	19.5	18

Mens Ring Size Chart
MENS SIZES	UNITED STATES & CANADA MENS RING SIZES		INSIDE DIAMETER (mm/inch)	UK, IRELAND, AUSTRALIA, & NEW ZEALAND MENS RING SIZES	ITALY, SPAIN, NETHERLANDS, & SWITZERLAND MENS RING SIZES	INDIA, CHINA, JAPAN, & SOUTH AMERICA MENS RING SIZES
(Small Mens)	8		18.1mm 0.71"	P½	17	16
(Small Mens)	8½		18.5mm 0.73"	Q½	18.25	17
(Average Mens)	9	Most common ring size for teen boys & men	19.0mm 0.75"	R½	19.5	18
(Average Mens)	9½		19.4mm 0.76"	S½	12.75	19
(Average Mens)	10		19.8mm 0.78"	T½	22	20
(Average Mens)	10½		20.2mm 0.79"	U½	23.25	22
(Large Mens)	11		20.6mm 0.81"	V½	24.75	23
(Large Mens)	11½		21.0mm 0.83"	W½	26	24
(Large Mens)	12		21.4mm 0.84"	X½	27.25	25
(Large Mens)	12½		21.8mm 0.86"	Z	28.5	26
(Large Mens)	13		22.2mm 0.87"	----	29.75	27
(Large Mens)	13½		22.6mm 0.89"	----	31	----
(Large Mens)	14		23.0mm 0.91"	Z3	32.25	----