How many hectosiemens in 1 attomho?
The answer is 1.0E-20.

We assume you are converting between **hectosiemens** and **attomho**.

You can view more details on each measurement unit:

hectosiemens or
attomho

The SI derived unit for **electric conductance** is the siemens.

1 siemens is equal to 0.01 hectosiemens, or 1.0E+18 attomho.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between hectosiemens and attomhos.

Type in your own numbers in the form to convert the units!

The SI prefix "hecto" represents a factor of
10^{2}, or in exponential notation, 1E2.

So 1 hectosiemens = 10^{2} siemens.

The definition of a siemens is as follows:

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.

The SI prefix "atto" represents a factor of
10^{-18}, or in exponential notation, 1E-18.

So 1 attomho = 10^{-18} mhos.

The definition of a mho is as follows:

The SI derived unit of electric conductance is the siemens, which was previously referred to by the term mho. That term came from spelling ohm backwards and was written with an upside-down capital Greek letter Omega. The term siemens, as it is an SI unit, is used universally in science and primarily in electrical applications, while mho is still used primarily in electronic applications.

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