3 milligrams is the weight of an average ant.
You would use the metric unit "kilograms" to measure the mass of a wardrobe.
Tonnes
GRAMS
The SI unit for mass is the kilogram (kg)
You would typically measure the mass of a snowflake in the metric unit of milligrams (mg), as snowflakes are very small and light objects.
The most appropriate metric unit to measure the mass of a concrete block is kilograms (kg).
Mass is measured using kilograms.
Mass is measured in kilograms.
You would measure that in grams, or milligrams.
The tonne.
Kilograms
The metric unit used to measure the mass of a pencil would be grams (g).