Its really easy, you would use kilograms and grams, for measuring mass.
grams which unit would you use to measure the mass of a mouse
You Use Atomic Mass Number
if i were you , i would use kg
in tons.
Grams
Mass is measured using kilograms.
Milligram: to measure its mass.
Mass is measured in grams.
kl
Fluif ounces
The same unit as you use to measure any mass. The SI unit for mass is the kilogram.
The SI unit for mass is the kilogram (kg)