When to use how much in Korean
Korean: 얼마[ eol-ma ]

When to use it
얼마 means "how much" in English. It is used to ask about a price or cost, especially when you want to buy something. In clothing situations, you can use it to ask the price of a shirt, shoes, or a coat.
Example sentences
이 셔츠는 얼마예요?
How much is this shirt?
바지가 얼마인지 물어봤어요.
I asked how much the pants were.
엄마, 이 모자 얼마예요?
Mom, how much is this hat?
학교 앞 가게에서 양말이 얼마예요?
How much are the socks at the store in front of the school?
저 재킷은 얼마예요?
How much is that jacket?
여행 중에 산 신발이 얼마였어요?
How much were the shoes you bought on the trip?