
wozu
what for
Asks about the purpose or benefit of an action, thing, or person; for what purpose or what for.
Wozu brauchst du diesen Schlüssel?
What do you need this key for?
what for / why
Loading your saved state.

what for
Asks about the purpose or benefit of an action, thing, or person; for what purpose or what for.
Wozu brauchst du diesen Schlüssel?
What do you need this key for?

to which
Introduces a relative clause and refers to something mentioned previously; means “to which” or “to what.”
Sie hat mir beim Umzug geholfen, wozu sie gar nicht verpflichtet war.
She helped me move, even though she was not obligated to do so.
“Wozu” consists of “wo” (where) and “zu” (to). Together, they form an interrogative adverb that primarily asks about the purpose or function of something.
Wozu ist diese Taste da?
What is this button for?
In a direct question, “wozu” usually comes at the beginning, followed by the conjugated verb. In an indirect question, the conjugated verb comes at the end of the subordinate clause.
Wozu brauchst du die Taschenlampe?
What do you need the flashlight for?
Ich weiß nicht, wozu du die Taschenlampe brauchst.
I don't know what you need the flashlight for.
“Wozu” frequently occurs with verbs and expressions that express a purpose or benefit, such as “brauchen” (to need), “dienen” (to serve), and “gut sein” (to be good for) or “nützlich sein” (to be useful).
Wozu dient dieses Programm?
What is this program for?