ASOS own buy sizes are designed to fit the following body measurements: Some brands may vary from these measurements but you can still use them as a guide.

UK Size	Bust		Waist		Hips
	Inches	CM	Inches	CM	Inches	CM
4	31	78	24	60	33	83.5
6	32	80.5	25	62.5	34	86
8	33	83	26	65	35	88.5
10	35	88	28	70	37	93.5
12	37	93	30	75	39	98.5
14	39	98	31	80	41	103.5
16	41	103	33	85	43	108.5
18	44	110.5	36	92.5	46	116