Define briefly about kilogram​

Kilogram (kg), basic unit of mass in the metric system. A kilogram is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. The pound is defined as equal to 0.45359237 kg, exactly.

Hope it helps

kilogram is the basic unit of metric system . A kilogram is nearly equal to the mass of 10,000 cubic cm of water .

OR

the kilogram is the standard international (SI) system of units if mass.

explanation:

detials on each model with digrams