Siemens is the derived SI unit of electric conductance.
SI
(Units Package Symbol) SI[expr] converts expr to SI units (International System).
Skein
(Units Package Symbol) Skein is a unit of length.
Slug
(Units Package Symbol) Slug is a unit of mass.
SolarMass is a unit of mass.
Stadion is a unit of length.
Stadium is a unit of length.
Statampere is a unit of electric current.
Statcoulomb is a unit of electric charge.
Statfarad is a unit of electric capacitance.