This table is practical to convert between different common units.
To convert from a unit $Y$ in the left hand column to a unit $X$ in the top row, mutiply by the table element, $M_{X,Y}$.
For example, to convert from hartree to eV you do
1 hartree = 27.2107 eV.
|
hartree |
eV |
$\mathbf{cm^{-1}}$ |
kcal/mol |
kJ/mol |
J |
| hartree |
$1$ |
$27.2107$ |
$219 474.63$ |
$627.503$ |
$2 625.5$ |
$43.60 \cdot 10^{-19}$ |
| eV |
$0.0367502$ |
$1$ |
$8 065.73$ |
$23.060 9$ |
$96.486 9$ |
$1.602 10 \cdot 10^{-19}$ |
| $\mathbf{cm^{-1}}$ |
$4.556 33 \cdot 10^{-6}$ |
$1.23981 \cdot 10^{-4}$ |
$1$ |
$0.002 859 11$ |
$0.011 962 7$ |
$1.986 30 \cdot 10^{-23}$ |
| kcal/mol |
$0.001 593 62$ |
$0.0433634$ |
$349.757$ |
$1$ |
$4.18400$ |
$6.95 \cdot 10^{-21}$ |
| kJ/mol |
$0.000 380 88$ |
$0.01036410$ |
$83.593$ |
$0.239001$ |
$1$ |
$1.66 \cdot 10^{-21}$ |
| J |
$2.294 \cdot 10^{17}$ |
$6.24181 \cdot 10^{18}$ |
$5.034 45 \cdot 10^{22}$ |
$1.44 \cdot 10^{20}$ |
$6.02 \cdot 10^{20}$ |
$1$ |
This table is partly reproduced from http://wild.life.nctu.edu.tw/class/common/energy-unit-conv-table.html