(n.) An abbreviation of Kilogram.

G M carat centigram chiliad chiliagon chiliahedron chiliarch chiliarchia decagram decigram dram dram avoirdupois dyne force grain gram grand hundredweight kilocycle kilogram kilohertz kiloliter kilometer lakh mass megaton millennium millepede milligram milliliter mole myriad one hundred thousand ounce ounce avoirdupois ounce troy pennyweight pound pound avoirdupois pound troy poundal scruple slug stone ten thousand thou thousand ton units of weight weight yard