When to use bathroom in Korean
Korean: 화장실[ hwa-jang-sil ]

When to use it
A bathroom is the room where you wash your hands, take a shower, or use the toilet. In Korean, 화장실 usually means “bathroom” or “restroom.” You can use this word at home, at school, in a store, or when traveling to ask where it is.
Example sentences
집에 화장실이 두 개 있어요.
There are two bathrooms in my house.
학교 화장실은 2층에 있어요.
The school bathroom is on the second floor.
화장실에 가고 싶어요.
I want to go to the bathroom.
화장실이 어디에 있어요?
Where is the bathroom?
이 카페 화장실은 깨끗해요.
The bathroom in this cafe is clean.
기차역 화장실을 찾고 있어요.
I am looking for the bathroom at the train station.