The metric (SI) unit of mass is the kilogram .
On Earth, 1 kilogram of mass weighs about 2.205 pounds.
In the systems of units and measurements, CGS : gram is used to report the mass of an object. It is the mass of one cm³ of water. In SI system one Kilogram or Kg is used. It is equal to 1000 grams.
In FPS system pounds are used to report mass.
The primary metric unit for reporting mass is the kilogram (kg), which is part of the International System of Units (SI). One kilogram is equivalent to 1,000 grams and is defined by a platinum-iridium cylinder. Understanding the distinction between mass and weight is essential, as mass measures the amount of matter, while weight is the force due to gravity on that mass.
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