Australian  Ring Sizes to US

For size  in .25 like 4.25, 5.25, you can choose  NEAREST SIZE  like 4, 5 and they fits. if you want to buy ring by size check this page. US sizes to AUS

We also offer free size exchange for all our rings. 

(USA)	(UK, AUSTRALIA,  NEW ZEALAND)	CHINA,	ITALY,	[INSIDE DIAMETER & CIRCUMFERENCE(MM)]
4	H	7	6.75	14.88 & 46.8
4.25	H.5		7.5	15.09 & 47.4
4.5	I	8	8	15.29 & 48
4.75	J		8.75	15.49 & 48.7
5	J 1/2	9	9.25	15.7 & 49.3
5.25	K		10	15.9 & 50
5.5	K 1/2	10	10.5	16.1 & 50.6
5.75	L		11.25	16.31 & 51.2
6	L 1/2	11	11.75	16.51 & 51.9
6.25	M	12	12.5	16.71 & 52.5
6.5	M 1/2	13	13.25	16.92 & 53.1
6.75	N		13.75	17.12 & 53.8
7	N 1/2	14	14.5	17.32 & 54.4
7.25	O		15	17.53 & 55.1
7.5	O 1/2	15	15.75	17.73 & 55.7
7.75	P		16.25	17.93 & 56.3
8	P 1/2	16	17	18.14 & 57
8.25	Q		17.5	18.34 & 57.6
8.5	Q 1/2	17	18.25	18.54 & 58.3
8.75	R		19	18.75 & 58.9
9	R 1/2	18	19.5	18.95 & 59.5
9.25	S		20.25	19.15 & 60.2
9.5	S 1/2	19	20.75	19.35 & 60.8
9.75	T		21.5	19.56 & 61.4
10	T 1/2	20	22	19.76 & 62.1
10.25	U	21	22.75	19.96 & 62.7
10.5	U 1/2	22	23.25	20.17 & 63.4
10.75	V		24	20.37 & 64
11	V 1/2	23	24.75	20.57 & 64.6
11.25	W		25.25	20.78 & 65.3
11.5	W 1/2	24	26	20.98 & 65.9
11.75	X		26.5	21.18 & 66.6
12	X 1/2	25	27.25	21.39 & 67.2
12.25	Y		27.75	21.59 & 67.8
12.5	Z	26	28.5	21.79 & 68.5
12.75	Z 1/2		29	22 & 69.1
13		27	29.75	22.2 & 69.7
13.25	Z1		30.5	22.4 & 70.4
13.5			31	22.61 & 71
13.75	Z2		31.75	22.81 & 71.7
14	Z3		32.25	23.01 & 72.3
14.25			33	23.22 & 72.9
14.5	Z4		33.5	23.42 & 73.6
14.75			34.25	23.62 & 74.2
15			34.75	24.23 & 76.1
15.25			35.5	24.03 & 75.5
15.5			36.25	24.23 & 76.1
15.75			36.75	24.43 & 76.8
16			37.5	24.64 & 77.4