Weight Or Mass Converter converts units of weight or mass between Kilogram (kg), Gram (gr), Milligram (mgr), Microgram (mu-gr), Carat (metric)(ct), Hundredweight (long), Hundredweight (short), Pound mass (lbm), Pound mass (troy), Ounce mass (ozm), Ounce mass (troy), Slug, Ton (assay), Ton (long), Ton (short), Ton (metric), Tonne.
The SI(International System) unit of mass is the kilogram(kg).