A microgram.
kilometre
Tonnes
I would say centimeters, not inches
It would be millimetres.
A calculator would be between 100 and 150 millimetres.
Millimetre.
You would typically measure the mass of a snowflake in the metric unit of milligrams (mg), as snowflakes are very small and light objects.
Metres; centimetres are too small, kilometres are too large.
The metric unit of length typically used to measure the eye of a needle is millimeters or micrometers due to the small size of the opening.
The weight of the box would be measured in grams.
You would use the metric unit of millimeters (mm) to measure the size of a common house fly.
You would use the metric unit "liters" to measure the capacity of a hot water tank.
You would use millimeters (mm) to measure the thickness of a house key, as it is a small unit appropriate for measuring such dimensions.
Metres
You would use kilograms (kg) to measure someone's mass in metric units.
You would typically use the metric unit of centimeters to measure the growth of your hair.