Mass – the amount of matter in an object.
Kilogram (kg) – basic unit of mass in the metric system and is represented by lowercase kg.
Standard: One kilogram is equal to the mass of the International Prototype Kilogram, a platinum-iridium cylinder kept by the BIPM at Sevres, France.
1 kilogram = 1000 grams
1 gram = 1000 miligrams
Instruments Used to Measure Mass
Triple Beam Balance