That depends on what you want to measure - the diameter, the surface area, the volume, etc.
cubic meter, m3
The SI unit used to measure mass is kilograms. It is written as Kg.
The official SI unit for mass is the kilogram.
The SI unit used to measure a person's weight is the kilogram (kg).
there are many unit which measure volume .SI units that measure volume is cubic meter .
SI unit is used to measure the thickness of a glass slide is very small.it is measured in mm.
The SI unit of time is the "second".
meter
it is the kelvin
the Meter
Second
Kelvin