Conversion Factors

1 unit = hartree J eV cm-1 kJ/mol kcal/mol
hartree 1 4.3699x10-18 27.212 2.1947x105 2625.50 627.51
J 2.29363x1017 1 6.24146x1018 5.0340x1022 6.02214x1020  
eV 3.6749x10-2 1.6022x10-19 1 8065.5 96.485 23.061
cm-1 4.5563x10-6 1.9865x10-23 1.23985x10-4 1 1.1963x10-2 2.8591x10-3
kJ/mol 3.8088x10-4  1.6605x10-21 1.0364x10-2 83.593 1 0.23901
kcal/mol 1.5936x10-3   4.3363x10-2  349.75 4.1840 1

Miscellaneous Conversion Factors

1 Debye = 10-18 esu cm = 3.336x10-30 C m = 1/4.803 e xA
1 Tesla = 1 N·s/C/m = 104 Gauss = 1 Weber/m2

See also:

Conversion of Units from the Institute of Chemistry, Berlin