Inside Shoe Lengths
in various sizing systems

To compare sizes in different systems, first find the nominal length of your size in centimeters. Then use that length to find the size number in the other system.

Sizes in the same row are only similar, not identical.

Nominal Shoe Inside Lengths in Inch-based Systems
increment = 1⁄3 inch
United States UK
Length Size Length Size
inches con-
verted
to
cm
infants boys girls women men inches con-
verted
to
cm
3 11⁄12 9.9 0 4 10.2  0
4 1⁄12 10.4 ½  4 1⁄6 10.6 ½
10.8 1 4 1⁄3 11.0 1
4 5⁄12 11.2 11.4
4 7⁄12 11.6 2 4 2⁄3 11.9 2
12.1  4 5⁄6 12.3
4 11⁄12 12.5 3 5 12.7 3
5 1⁄12 12.9  5 1⁄6 13.1
13.3 4 5 1⁄3 13.5 4
5 5⁄12 13.8  5½ 14.0
5 7⁄12 14.2 5 5 2⁄3 14.4 5
14.6  5 5⁄6 14.8
5 11⁄12 15.0 6 7 6 15.2 6
6 1⁄12 15.5  6 1⁄6 15.7
15.9 7 8 6 1⁄3 16.1 7
6 5⁄12 16.3  6½ 16.5
6 7⁄12 16.7 8 8 9 6 2⁄3 17.0 8
17.1  6 5⁄6 17.3
6 11⁄12 17.6 9 9 10 7 17.8 9
7 1⁄12 18.0 10½  7 1⁄6 18.2
18.4 10 10 11 7 1⁄3 18.6 10
7 5⁄12 18.8 10½ 10½ 11½  7½ 19.0 10½
7 7⁄12 19.3 11 11 12 7 2⁄3 19.5 11
19.7 11½ 11½ 12½  7 5⁄6 19.9 11½
7 11⁄12 20.1 12 12 13 8 20.3 12
8 1⁄12 20.5 12½ 12½ 13½  8 1⁄6 20.7 12½
21.0 13 13 1 1 8 1⁄3 21.2 13
8 5⁄12 21.4 13½ 13½  8½ 21.6 13½
8 7⁄12 21.8 1 2 2 8 2⁄3 22.0 1
22.0  8 5⁄6 22.4
8 11⁄12 22.6 2 3 3 9 22.9 2
9 1⁄12 23.0  9 1⁄6 23.3
23.5 3 4 4 9 1⁄3 23.7 3
9 5⁄12 23.9  9½ 24.1
9 7⁄12 24.3 4 5 5 9 2⁄3 24.6 4
24.7  9 5⁄6 25.0
9 11⁄12 25.2 5 6 6 10 25.4 5
10 1⁄12 25.6 10 1⁄6 25.8
10¼ 26.0 6 7 7 6 10 1⁄3 26.2 6
10 5⁄12 26.5 10½ 26.7
10 7⁄12 26.9 7 8 8 7 10 2⁄3 27.1 7
10¾ 27.3 10 5⁄6 27.5
10 11⁄12 27.7 8 9 9 8 11 27.9 8
11 1⁄12 28.2 11 1⁄6 28.4
11¼ 28.6 9 10 9 11 1⁄3 28.8 9
11 5⁄12 29.0 10½ 11½ 29.2
11 7⁄12 29.4 10 11 10 11 2⁄3 29.6 10
11¾ 29.8 10½ 11½ 10½ 11 5⁄6 30.1 10½
11 11⁄12 30.3 11 12 11 12 30.5 11
12 1⁄12 30.7 11½ 12½ 11½ 12 1⁄6 30.9 11½
12¼ 31.1 12 13 12 12 1⁄3 31.3 12
12 5⁄12 31.5 13½ 12½ 12½ 31.8 12½
12 7⁄12 32.0 14 13 12 2⁄3 32.2 13
12 11⁄12 32.8 15 14 12 5⁄6 32.6 13½
13¼ 33.7 16 15 13 33.0 14
13 7⁄12 34.5 17 16  
13 11⁄12 35.3 18 17  
14¼ 36.2 19 18  
Nominal Shoe Inside Lengths in Meter-based Systems
Mondopoint
Size is actual length.
Continental
increment =
Parisian point =
2⁄3 cm
centimeters (2 digits)
increment = 5 mm
millimeters (3 digits)
increment =
alternately
7 and 8 mm
length
in
cm
size
    10.0 15
    10.7 16
    11.3 17
    12.0 18
    12.7 19
    13.3 20
14   14.0 21
14.5   14.7 22
 15   15.3 23
15.5      
 16   16.0 24
16.5   16.7 25
 17   17.3 26
17.5      
 18   18.0 27
18.5   18.7 28
 19   19.3 29
19.5 195    
 20 202 20.0 30
20.5   20.7 31
 21 210 21.3 32
21.5 217    
 22   22.0 33
22.5 225 22.7 34
23 232 23.3 35
23.5      
24 240 24.0 36
24.5 247 24.7 37
25   25.3 38
25.5 255    
26 262 26.0 39
26.5   26.7 40
27 270 27.3 41
27.5 277    
28   28.0 42
28.5 285 28.7 43
29 292 29.3 44
29.5      
 30 300 30.0 45
30.5 307 30.7 46
 31   31.3 47
31.5 315    
 32 322 32.0 48
32.5   32.7 49
 33 330 33.3 50
33.5 337    
 34   34.0 51
34.5 345 34.7 52
 35 352 35.3 53
35.5      
 36 360 36.0 54
36.5 367 36.7 55
37 375 37.3 56
    38.0 57
    38.7 58
    39.3 59
    40.0 60
    40.7 61
    41.3 62
    42.0 63

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