How many henry in 1 zeptohenry?
The answer is 1.0E-21.

We assume you are converting between **henry** and **zeptohenry**.

You can view more details on each measurement unit:

henry or
zeptohenry

The SI derived unit for **inductance** is the henry.

1 henry is equal to 1.0E+21 zeptohenry.

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

Use this page to learn how to convert between henries and zeptohenries.

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You can do the reverse unit conversion from zeptohenry to henry, or enter any two units below:

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.

The SI prefix "zepto" represents a factor of
10^{-21}, or in exponential notation, 1E-21.

So 1 zeptohenry = 10^{-21} 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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