이왕 ~(으)ㄴ 김에 · 이왕 ~(으)ㄹ 거면
since (it's already so), anyway, as long as
Example
이왕 여기까지 왔으니까 구경하고 가요.
Since we've come all this way, let's look around before we go.
Word parts
이 already+왕 gone
Literally 'already gone': what's done is done, so make the most of it.