According to the conversion unit of mass, 1g = 0.002kg, then 216g = 216× 0.002 = 0.432kg. ..

Gram is the unit of mass, and it is an indispensable unit of mass when measuring the weight of an article. It is necessary to use grams as the unit of measurement when weighing some small items. For example, the weight of jewelry is measured in grams. So this quality unit can be used in different measurement scenarios, which is very important.