ピース測定単位コンバーター0↕ pcs (Piece) bk-doz (Bakers Dozen) cp (Couple) doz-doz (Dozen Dozen) doz (Dozen) gr-gr (Great Gross) gros (Gross) half-dozen (Half Dozen) long-hundred (Long Hundred) ream (Reams) scores (Scores) sm-gr (Small Gross) trio (Trio) 0↕ pcs (Piece) bk-doz (Bakers Dozen) cp (Couple) doz-doz (Dozen Dozen) doz (Dozen) gr-gr (Great Gross) gros (Gross) half-dozen (Half Dozen) long-hundred (Long Hundred) ream (Reams) scores (Scores) sm-gr (Small Gross) trio (Trio) 7894 5 6 1 2 3 0.C