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.
scales
Kilometres
a millimetre
gram
kilograms!
I would use centimetres.
A thermometer.
Centimeters
A microgram.
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