Built-in units

Built-in units contain most of the base and additional SI system units:

  • m - meter;
  • s - second;
  • kg - kilogram;
  • A - ampere;
  • K - kelvin;
  • cd - candela;
  • mol - mole;
  • rad - radian;
  • sr - steradian.

These units serve as the basis for the derivation of all the other user units of all unit systems.