Grams.
The answer will depend on what aspect you wish to measure: its length, thickness, its mass or some other aspect.
kilograms
The gram.
You can use any unit to measure mass. I presume you mean a unit which will make the number a sensible size. Either kilograms or tonnes can be used, you just put the decimal point in a different place. The average mass of a female Asian elephant is about 2700 kg, or 2.7 tonnes, and a bull African elephant is about 5500 kg or 5.5 tonnes.
You would use the unit of measure called "kilograms" to measure the mass of an elephant.
The best SI unit to measure the mass of an elephant is the kilogram (kg).
The best metric unit to measure the mass of an elephant would be kilograms (kg). This unit is commonly used for larger objects like elephants due to their substantial weight.
You would use kilograms (kg) to measure the mass of an elephant.
Grams.
The answer will depend on what aspect you wish to measure: its length, thickness, its mass or some other aspect.
Grams.
Kilogram
The kilogram.
Kilograms.
kilograms
The gram.