I don't know exactly what you are asking because of the grammar issue there, but usually people measure an elephant's weight in tons (1,000 lbs for a ton)
Yes.
No.
A gram is measured in grams. A kilogram is measured in kilograms.
No. Kilogram is a unit of mass, not of weight.
The kilogram.
grams
grams
No.
Weight is measured in kilograms. There are 1000 grams in 1 kilogram, and 1000 kilograms in 1 tonne.
Mass is measured in kilograms. fractions of a kilogram are gram and milligram.
Area is measured in square unit. Weight is measured in gram, kilogram etc.
2 ton elephant.2 ton elephant.2 ton elephant.2 ton elephant.
The mass of objects such as the human body.