Wie alt bist du= How old are you
You answer with "Ich bin...." (I am...)
Example:
Ich bin zwanzig (20).
Ich bin sechs (6).
Ich bin neunundvierzig. (49)
For more numbers & pronunciation of those numbers, see the related link below.
how old are you.
wer bin ich?
How old are you? transaltes as Wie alt bist Du? (informal) or Wie alt sind Sie?(formal).
Wie alt bist du?
"Wie alt bist du, wie alt sind Sie?" is "How old are you?" in the German Language.
Wie alt bist du? = How old are you? Wie alt ist deine Katze? = How old is your cat?
How old are you? is wie alt sind Sie? in German (formal) or wie alt bist du? (informal)
The correct phrases are :- "wie alt sind Sie" (formal) "wie alt bist du" (informal)
Wie bist Du meine Königin? translates as how are you my queen?
Wie alt bist Du? means: how old are you?
"Ich bin ?? Jahre alt" is the expression in common usage.
Wie alt bin ich? = how old am I? (pronounced "Vee ahlt bin isch?") Wie alt bist du? = how old are you? (pronounced "Vee ahlt bist doo") Ich bin _ Jahre alt = I am _ years old. (pronouced "Isch bin _ yahreh ahlt")
Asking how old some one is the question would be :- "Wie alt sind Sie?" or to a child "Wie alt bist du ?"When asked by an official to prove your age he or she would say :-"Zeigen Sie mir wie alt Sie sind" or "Zeigen Sie mir Ihren Ausweis"
"Wie gehts mein guter freund. Bist du in Danemark?" = How's it going my good friend. Are you in Denmark?'