# The Boltzmann constant¶

In computing the thermal energy, \(k_BT\), we use the Boltzmann constant. The Boltzmann constant is available in various units, given by the variable names below (with obvious units).

`eqtk.constants.kB_kcal_per_mol_K`

`eqtk.constants.kB_J_per_K`

`eqtk.constants.kB_J_per_mol_K`

`eqtk.constants.kB_kJ_per_mol_K`

`eqtk.constants.kB_pN_nm_per_K`