## ››Convert hartree to zettajoule

 hartree zettajoule

How many hartree in 1 zettajoule? The answer is 2.2937104486906E+38.
We assume you are converting between hartree and zettajoule.
You can view more details on each measurement unit:
hartree or zettajoule
The SI derived unit for energy is the joule.
1 joule is equal to 2.2937104486906E+17 hartree, or 1.0E-21 zettajoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between hartrees and zettajoules.
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## ››Definition: Hartree

The Hartree energy (symbol Eh) is a physical constant used as atomic unit of energy, named after physicist Douglas Hartree.

## ››Definition: Zettajoule

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

So 1 zettajoule = 1021 joules.

The definition of a joule is as follows:

The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).

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