Conversion Factors

1 unit = hartree J eV cm-1 kJ/mol kcal/mol
hartree 1 4.3699 ×10-18 27.212 2.1947×105 2625.50 627.51
J 2.29363×1017 1 6.24146 ×1018 5.0340×1022 6.02214×1020  
eV 3.6749×10-2 1.6022 ×10-19 1 8065.5 96.485 23.061
cm-1 4.5563×10-6 1.9865 ×10-23 1.23985×10-4 1 1.1963×10-2 2.8591×10-3
kJ/mol 3.8088×10-4  1.6605 ×10-21 1.0364×10-2 83.593 1 0.23901
kcal/mol 1.5936×10-3   4.3363×10-2  349.75 4.1840 1

Miscellaneous Conversion Factors

1 Debye = 10-18 esu·cm = 3.336 ×10-30 C·m = 1/4.803 e ×Å
1 Tesla = 1 N·s·C-1·m-1 = 10-4 Gauss = 1 Weber m-2

See also:

Conversion of Units from the Institute of Chemistry, Berlin