Shirts (collar measurements)

U.K. sizes are the same as U.S.

European sizes are 22 more than U.S. (round UP)

Japanese sizes are the same as Euro sizes

Metric Sizes are 2.54 times U.S.

 

 

USA (inches)

14

14 ½

15

15 ½

16

16 ½

17

17 ½

18

18 ½

British (inches)

14

14 ½

15

15 ½

16

16 ½

17

17 ½

18

18 ½

Continental

And Japan

(Centimeters)

36

37

38

39.5

40.5

42

43

44.5

45.5

47

Korean

16

16 ½

17

17 ½

18

18 ½

19

19 ½

20

20 ½