German phrase
Wie viel muss ich ~?
Meaning
How much do I have to ___?
When to use it
It asks about a payment. Use it for rent, fees, or purchases.
Example dialogue
Wie viel muss ich für das Zimmer bezahlen?
How much do I have to pay for the room?
Das sind 400 Euro im Monat.
That's 400 euros a month.