The unit doesn't do the measuring. You use things like balances, dynamometers, or scales
for that.
After you're done measuring the mass of the piano, the most convenient SI unit to use
when you have to write it down, remember it, or tell other people about it is the kilogram.
You would use kilograms (kg) to measure someone's mass in metric units.
You would use grams (g) to measure a flower's mass.
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 metric unit used to measure the mass of a pencil would be grams (g).
Kilograms
You would use kilograms (kg) to measure someone's mass in metric units.
You would use the metric unit "kilograms" to measure the mass of a wardrobe.
GRAMS
Tonnes
You would use grams (g) to measure a flower's mass.
Mass is measured using kilograms.
Mass is measured in kilograms.
Mass is measured in kilograms.
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 metric unit used to measure the mass of a pencil would be grams (g).
You would measure that in grams, or milligrams.
Kilograms.