I want to buy a pair of calvin klein men's shoes from Amazon in the United States. I usually wear size 39 for cloth shoes and size 40 for travel shoes and leather shoes. Convert to US sizes.

Men's shoe size comparison table is as follows:

Cm 24.5 24.5 25 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30 30.5 31

Chinese size 38.5 39 40 40.5 41 42 42.5 43 44 44.5 45 45.5 46 47 47.5

UK code 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12

US code 6 6.5 7 7.5 8 8. 5 9 9.5 10 10.5 11 11.5 12 12.5 13

If you are a boy, then the cloth shoes you buy in the United States are size 6.5, and the leather shoes for travel are size 7.

Women's shoe size comparison table

Cm 22 22 22.5 23 23.5 24 24.5 25 25.5 26 26.5 27 27.5 28 28.5 29 30 30.5

Chinese size 35 35.5 36 36.5 37.5 38 38.5 39 40 40.5 41 42 42.5 43 44 44.5 45.5 46

UK code 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10.5 11

United States Size 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 13 13.5

If you are a girl, then the cloth shoes you buy in the United States are size 8, and the leather shoes for travel are size 8.5.