얼마나 좋을까

how nice it would be

→ 얼마나

phrase Uncommon #11,550

how nice it would be Often expresses a wish or longing in a rhetorical question, similar to “wouldn't it be nice?” Depending on the ending, it can also ask how good or nice something is.

KO: 주말에 바다에 갈 수 있으면 얼마나 좋을까.

EN: Wouldn't it be nice if we could go to the beach this weekend?

다 같이 가면 얼마나 좋을까

It would be so nice if we could all go together.

— 아임 스틸 히어 (2024)

사가미 님이 있었다면 얼마나 좋을까?

How wonderful it would be if Sagami-sama were here.

— 가구야공주 이야기 (2013)

같이 왔다면 얼마나 좋을까

I wish you could have come with me.

— 여정 (1955)