size

[navi tasan]

Which are correct:

1-I am a large size man.
2-I am a large-sized man.

3-I am size L.
4-I am size large.
5-I am size 12.

6-I am large size.
7-I am large-sized.

[bhaisahab]

Which are correct:

1-I am a large size man.
2-I am a large-sized man.

3-I am size L.
4-I am size large.
5-I am size 12.

6-I am large size.
7-I am large-sized.

If you are talking about clothing size, I would say "I take an L" or "I take a Large".

[Ouisch]

In AmE, when referring to specific clothing sizes it is also common for people to say "I'm a 12" (usually a woman referring to either her dress size or pants/slacks size) or "I'm a 34 long" (a man describing his suit size).