gram
In the customary measures it is ounces
Kilograms
A kilogram (kg) would be the most appropriate unit to measure the mass of a cow.
The metric unit of mass is the kilogram. Why you would need to measure the mass of a necktie is beyond me.
in tons.
Kilograms
Grams
Milligrams
You Use Atomic Mass Number
Grams are the best metric or SI unit to measure the mass of an egg
Milligram: to measure its mass.