Age	AUS Sizing	US Sizing	CM	INCHES
0-3 months	17	1.5	10	3.9
3-6 months	18	2	10.8	4.25
6-9 months	19	3	11.5	4.5
9-12 months	20	4	12.2	4.8
12-15 months	21	5	12.8	5.04
15-18 months	22	6	13.4	5.27
18-21 months	23	7	14.2	5.59
21-24 months	24	8	15	5.9