Crocs Size	UK Size	EU Sizes	JP Size	Korea Size	Inches	Chiều dài chân (mm)
M4	4	36-37	22	230	8 5/8	220
M5	5	37-38	23	240	9	221-230
M6	6	38-39	24	250	9 3/8	231-240
M7	7	39-40	25	260	9 5/8	241-250
M8	8	41-42	26	265	10	251-260
M9	9	42-43	27	270	10 3/8	261-270
M10	10	43-44	28	280	10 5/8	271-280
M11	11	45-46	29	290	11	281-290
M12	12	46-47	30	300	11 3/8	291-300
M13	13	48-49	31	310	11 5/8	301-310
M14	14	49-50	32	N/A	12	311-320
M15	15	50-51	33	N/A	12 3/8	321-330
M16	16	51-52	34	N/A	12 5/8	331-340
M17	17	52-53	35	N/a	13	341-350