~くらいで      => only N1
くらいの => Approximate~ N3
Emphasis on degree
くらい/ぐらい => approximately, about, almost N5
くらいなら/ぐらいなら => rather than (do …)​ N1
Nくらい => about; approximately N N3
Emphasis on degree
どのくらい => how long N5
いくら => no matter how (Undetermined) N4
Invariant
いくら => no matter how (Question) N4
Value
くらい/ぐらい => approximately; about; around; to the extent ~ N3
くらいだ/ぐらいだ => Around/about N5
Amount
いくら…からといっても => no matter how ~ N3
Evaluate
…くらいだから => Because (to the extent of) ... N3
Base, base