## ››Convert hartree to attojoule

 hartree attojoule

How many hartree in 1 attojoule? The answer is 0.22937104486906.
We assume you are converting between hartree and attojoule.
You can view more details on each measurement unit:
hartree or attojoule
The SI derived unit for energy is the joule.
1 joule is equal to 2.2937104486906E+17 hartree, or 1.0E+18 attojoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between hartrees and attojoules.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of hartree to attojoule

1 hartree to attojoule = 4.35975 attojoule

5 hartree to attojoule = 21.79874 attojoule

10 hartree to attojoule = 43.59748 attojoule

15 hartree to attojoule = 65.39622 attojoule

20 hartree to attojoule = 87.19496 attojoule

25 hartree to attojoule = 108.99371 attojoule

30 hartree to attojoule = 130.79245 attojoule

40 hartree to attojoule = 174.38993 attojoule

50 hartree to attojoule = 217.98741 attojoule

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

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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: Attojoule

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

So 1 attojoule = 10-18 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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