Full name: siemens
Plural form: siemens
Symbol: S
Category type: electric conductance
Scale factor: 1
The SI derived unit for electric conductance is the siemens.
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The siemens is the SI derived unit of electric conductance. It is equal to inverse ohm. It is named after the German inventor and industrialist Ernst Werner von Siemens, and was previously called the mho. In English, the term siemens is used both for the singular and plural. The 14th General Conference on Weights and Measures approved the addition of the siemens as an SI derived unit in 1971.