Centimeters
I would use centimeteres.
miles?
Millimeters
metric unit
You would use kilometers (km).
I would use centimetres.
A thermometer.
A microgram.
Potatoes are sold by the kilogram.
To measure the mm of an item you would need to use a metric ruler. The metric ruler has cm and mm on it.
I would use centimeteres.
meters
Square metres.
Litres.
miles?
Millimeters
metric unit