Weight Weight or Mass Conversion Table ONE gram microgram milligram centigram decigram dekagram hectogram kilogram megagram / ton = Rounded to 8 decimals gram (gm) microgram (µg) milligram (mg) centigram (cg) decigram (dg) dekagram (dag) hectogram (hg) kilogram (kg) megagram (ton) (Mg or t) Troy Units of Mass ONE grain pennyweight ounce pound = grain pennyweight (dwt) ounce (oz t) pound (lb t) Avoirdupois units of Mass ONE grain dram ounce pound short hundredweight short ton long hundredweight long ton = Rounded to 8 decimals grain dram (dr avdp) ounce (oz avdp) pound (lb avdp) short hundredweight (cwt) short ton long hundredweight (gross cwt) long ton Apothecaries Units of Mass ONE grain scruple dram ounce pound = Rounded to 8 decimals grain scruple (s ap) dram (dr ap) ounce (oz ap) pound (lb ap) Other Units of Weight ONE carat gamma = Rounded to 8 decimals carat (c) gamma (y) Metric: Mass Conversion Factors 1 centigram = 10 milligram 1 decigram = 10 centigram 1 gram = 10 dg = 1000 mg 1 dekagram = 10 gram 1 hectogram = 10 dekagram 1 kilogram = 1000 gram 1 megagram = 1000 kilogram 1 megagram = 1 metric ton Troy Mass Conversion Factors 1 grain = 64.79891 milligram 1 pennyweight = 24 grains 1 ounce (oz t) = 20 pennyweight 1 pound (lb t) = 12 ounces Avoirdupois Mass Conversion Factors 1 grain = 64.79891 milligram 1 dram (dr) = 27.34375 grains 1 ounce (oz avdp) = 16 drams 1 pound (lb avdp) = 16 ounces 1 hundredweight = 100 pound 1 ton = 20 hundredweight 1 long hundredweight = 112 pound 1 long ton = 20 long hundredweight Apothecaries Mass Conversion Factors 1 grain = 64.79891 milligram 1 scruple(s) = 20 grains 1 dram (dr ap) = 3 scruple 1 ounce (oz ap) = 8 drams 1 pound (lb ap) = 12 ounces Other Weight Conversion Factors 1 carat (c) = 200 milligrams 1 gamma (y) = 1 microgram people found this article helpful. What about you?