## ››Convert henry to zettahenry

 henry zettahenry

How many henry in 1 zettahenry? The answer is 1.0E+21.
We assume you are converting between henry and zettahenry.
You can view more details on each measurement unit:
henry or zettahenry
The SI derived unit for inductance is the henry.
1 henry is equal to 1.0E-21 zettahenry.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between henries and zettahenries.
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You can do the reverse unit conversion from zettahenry to henry, or enter any two units below:

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## ››Definition: Henry

The henry (symbol: H) is the SI unit of inductance. It is named after Joseph Henry (1797-1878), the American scientist who discovered electromagnetic induction independently of and at about the same time as Michael Faraday (1791-1867) in England.

## ››Definition: Zettahenry

The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.

So 1 zettahenry = 1021 henries.

The definition of a henry is as follows:

The henry (symbol: H) is the SI unit of inductance. It is named after Joseph Henry (1797-1878), the American scientist who discovered electromagnetic induction independently of and at about the same time as Michael Faraday (1791-1867) in England.

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