metric system - a decimal system of weights and measures based on the meter and the kilogram and the second

metric unit, metric - a decimal unit of measurement of the metric system (based on meters and kilograms and seconds); "convert all the measurements to metric units"; "it is easier to work in metric"

mass unit - a unit of measurement for mass

mcg, microgram - one millionth (1/1,000,000) gram

mg, milligram - one thousandth (1/1,000) gram

nanogram, ng - one billionth (1/1,000,000,000) gram

metric grain, grain - used for pearls or diamonds: 50 mg or 1/4 carat

decigram, dg - 1/10 gram

carat - a unit of weight for precious stones = 200 mg

g, gm, gram, gramme - a metric unit of weight equal to one thousandth of a kilogram

gram atom, gram-atomic weight - the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element

gram molecule, mol, mole - the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites

dag, decagram, dekagram, dkg - 10 grams

hectogram, hg - 100 grams

kg, kilo, kilogram - one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites; "a kilogram is approximately 2.2 pounds"

myg, myriagram - one ten thousandth of a centner

centner - in some European countries: a unit of weight equivalent to 50 kilograms

centner, doppelzentner, hundredweight, metric hundredweight - a unit of weight equal to 100 kilograms

quintal - a unit of weight equal to 100 kilograms

metric ton, MT, tonne, t - a unit of weight equivalent to 1000 kilograms