何階
also: なんかい
Meanings
1
what floor; which floor
Used to ask which floor of a building. Both readings なんがい and なんかい are common; なんがい is slightly more formal.
Excuse me, what floor is this building?
Which floor is the meeting room on?
Usage patterns
- 〈場所〉は何階ですかwhat floor is 〈place〉 on
What floor is the bookstore on?
- 何階に住んでいますかwhat floor do you live on
What floor does Tanaka live on?
- 何階建てですかhow many floors does the building have
How many floors does this apartment building have?