Size Conversion Chart (1 inch = 2.54 cm)
AU Size	UK Size	EUR Size	Length(cm)
2	0.5	32	21.0
2.5	1	33	21.5
3.5	1.5	34	22.0
4.5	2.5	35	22.5
5	3.5	36	23.0
6	4	37	23.5
7	5	38	24.0
7.5	6	39	24.5
8	6.5	40	25.0
8.5	7	41	25.5
9	7.5	42	26.0
10	8	43	26.5
10.5	9	44	27.0
11	10	45	27.5
12	10.5	46	28.0
12.5	11.5	47	28.5
13.5	12	48	29.0
14	12.5	49	29.5
14.5	13	50	30.0