Special MPa Units

The base units in the MPa unit system are identical to the SI units with the following exceptions:

Table 3-23: Special Base Units in the MPa Unit System

Base quantity	name	symbol
length	millimeter	mm
mass	tonne, ton	t

There is one derived unit that differs from the corresponding SI unit:

Table 3-24: Derived MPa Units in COMSOL

Derived quantity	name	symbol
pressure	megapascal	MPa