Converting inch to cm

1 inch = 2.54 cm
Here’s an example: a typical shoe size in Europe is 39. That is 25 cm. Which is 9.84 inch. 

Measuring your foot size using a ruler, a pen and a paper

Place the paper on the floor. Draw a line around your foot. Using the ruler, measure the length from your big toe to your heel. If your ruler is an inch ruler, multiply the number in inch with 2,54. Now find your size in the foot size chart below.

EU Size US Size Feet Length, cm Insole Length, cm
35 5 22.5 23.0 - 23.5
36 5.5 23 23.5 - 24.0
37 6 23.5 24.0 - 24.5
38 6.5 24 24.5 - 25.0
39 7 24.5 25.0 - 25.5
40 7.5 25 25.5 - 26.0
41 8 25.5 26.0 - 26.5
42 9 26 27.0 - 27.5
43 9.5 26.5 27.5 - 28.0
44 10 27 28.0 - 28.5
45 11 27.5 28.5 - 29.0
46 12 28 29.0 - 29.5
47 13 28.5 29.5 - 30.0