Product Measurement Units: CM

Our Size	34	35	36	37	38	39	40	41	42	43	44	45
US Size	5	5.5	6	6.5	7	8	8.5	9	9.5	10.5	11	11.5
EUR Size	35-36	36	36-37	37	37-38	38-39	39	39-40	40	41	41-42	42
UK Size	2.5	3.5	4	4.5	5	6	6.5	7	7.5	8.5	9	9.5
Feet Length	21.7	22.2	22.7	23.2	23.7	24.2	24.7	25.2	25.7	26.2	26.7	27.2

There is an error of 2-3 cm in manual measurement, which is a reasonable range.