Staying at a Hotel

レストランは何階ですか [resutoran wa nan kai desu ka]
What floor is the restaurant on?

• レストランは [resutoran wa] means "as for the restaurant"
• 何階ですか [nan kai desu ka] means "What floor is it?"

３階です [san gai desu]
It's on the 3rd floor.

• ３階 [san gai] means "3rd floor"
• です [desu] means "is"

温泉は何階ですか [onsen wa nan kai desu ka]
What floor is the hot spring on?

• 温泉は [onsen wa] means "as for a hot spring"

地下２階です [chika ni kai desu]
It's on the 2nd basement floor.

• 地下２階 [chika ni kai] means "2nd basement floor"

Floor Numbers:

• 1階 [ik kai] 1st floor
• 2階 [ni kai] 2nd floor
• 3階 [san gai] 3rd floor
• 4階 [yon kai] 4th floor
• 5階 [go kai] 5th floor
• 6階 [rok kai] 6th floor
• 7階 [nana kai] 7th floor
• 8階 [hak kai / hachi kai] 8th floor
• 9階 [kyū kai] 9th floor
• 10階 [juk kai] 10th floor

• A: 温泉は何階ですか [onsen wa nan kai desu ka]
  What floor is the hot spring on?
• B: 地下１階です
  It is on the 1st basement floor.
• B: レストランは何階ですか
  What floor is the restaurant on?
• A: ３階です [san gai desu]
  It's on the 3rd floor.
• B: ありがとうございます
  Thank you