← Home

Energy Unit Converter

Enter a value — all other fields update as you type.

Precision matches the number of digits you enter. Type 1.0000 for 5-digit accuracy.

Hartrees
eV
kJ/mol
kcal/mol
cm-1
V (1 e- transfer)
K (equivalent temperature)
Boltzmann ratio at 298.15 K

Boltzmann Populations

Adjust temperature and degeneracies to see the population distribution.

Upper 50.0%
Lower 50.0%
gj =   gi =
Electrochemical voltage: V