얼마인데

how much is it?

→ 얼마
phrase Rare #21,880
how much is it? The ending -인데 can add emphasis or suggest that the amount matters in the conversation.
KO: 이거 얼마인데?
EN: How much is this?

얼마 인데?

How much is it?

— 폴링 다운 (1993)

서울에서 여기까지 기름값만 해도 얼마 인데

Do you know how much the gas alone costs to get here from Seoul?

— 택시운전사 (2017)