B9X Size Chart

 

Denim size	US size	UK size	Waist （IN）	Hip（IN）
24	0	4	24	33
25	2	6	25	34
26	4	8	26	35
27	6	10	27	36
28	8	12	28	37
29	10	14	29	38
30	12	16	30	39
31	14	18	31	40
32	16	20	33	42
33	18	22	35	44
34	20	24	38	47
35	22	26	41	50

*Depending on your body type and dressing habits, the above sizes are for reference only.