## ››Convert attojoule to hartree

 attojoule hartree

How many attojoule in 1 hartree? The answer is 4.3597482.
We assume you are converting between attojoule and hartree.
You can view more details on each measurement unit:
attojoule or hartree
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E+18 attojoule, or 2.2937104486906E+17 hartree.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between attojoules and hartrees.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of attojoule to hartree

1 attojoule to hartree = 0.22937 hartree

5 attojoule to hartree = 1.14686 hartree

10 attojoule to hartree = 2.29371 hartree

20 attojoule to hartree = 4.58742 hartree

30 attojoule to hartree = 6.88113 hartree

40 attojoule to hartree = 9.17484 hartree

50 attojoule to hartree = 11.46855 hartree

75 attojoule to hartree = 17.20283 hartree

100 attojoule to hartree = 22.9371 hartree

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## ››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).

## ››Definition: Hartree

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

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