## Convert British thermal unit to hartree

 Btu hartree

 Did you mean to convert British thermal unit Btu [thermochemical] to hartree

How many Btu in 1 hartree? The answer is 4.1322437986461E-21.
We assume you are converting between British thermal unit and hartree.
You can view more details on each measurement unit:
Btu or hartree
The SI derived unit for energy is the joule.
1 joule is equal to 0.00094781707774915 Btu, 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 Btus and hartrees.
Type in your own numbers in the form to convert the units!

## Quick conversion chart of Btu to hartree

1 Btu to hartree = 2.4199927417827E+20 hartree

2 Btu to hartree = 4.8399854835653E+20 hartree

3 Btu to hartree = 7.259978225348E+20 hartree

4 Btu to hartree = 9.6799709671306E+20 hartree

5 Btu to hartree = 1.2099963708913E+21 hartree

6 Btu to hartree = 1.4519956450696E+21 hartree

7 Btu to hartree = 1.6939949192479E+21 hartree

8 Btu to hartree = 1.9359941934261E+21 hartree

9 Btu to hartree = 2.1779934676044E+21 hartree

10 Btu to hartree = 2.4199927417827E+21 hartree

## Want other units?

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

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## Definition: Btu

The British thermal unit (BTU or Btu) is a non-metric unit of energy, used in the United States and, to a lesser extent, the UK (where it isgenerally only used for heating systems). The SI unit is the joule (J), which is used by most other countries.

## 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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