# Units

CP2K Available Units of Measurement

## Energy

Possible units of measurement for Energies. The `[energy]`

entry acts like a dummy flag (assumes the
unit of measurement of energy is in internal units), useful for dimensional analysis.

`hartree`

`wavenumber_e`

`joule`

`kcalmol`

`kjmol`

`Ry`

`eV`

`keV`

`K_e`

`energy`

## Length

Possible units of measurement for Lengths. The `[length]`

entry acts like a dummy flag (assumes the
unit of measurement of length is in internal units), useful for dimensional analysis.

`bohr`

`m`

`pm`

`nm`

`angstrom`

`length`

## Temperature

Possible units of measurement for Temperature. The `[temperature]`

entry acts like a dummy flag
(assumes the unit of measurement of temperature is in internal units), useful for dimensional
analysis.

`K`

`au_temp`

`temperature`

## Pressure

Possible units of measurement for Pressure. The `[pressure]`

entry acts like a dummy flag (assumes
the unit of measurement of pressure is in internal units), useful for dimensional analysis.

`bar`

`atm`

`kbar`

`Pa`

`MPa`

`GPa`

`au_p`

`pressure`

## Angle

Possible units of measurement for Angles. The `[angle]`

entry acts like a dummy flag (assumes the
unit of measurement of angle is in internal units), useful for dimensional analysis.

`rad`

`deg`

`angle`

## Time

Possible units of measurement for Time. The `[time]`

entry acts like a dummy flag (assumes the unit
of measurement of time is in internal units), useful for dimensional analysis.

`s`

`fs`

`ps`

`au_t`

`wavenumber_t`

`time`

## Mass

Possible units of measurement for Masses. The `[mass`

] entry acts like a dummy flag (assumes the
unit of measurement of mass is in internal units), useful for dimensional analysis.

`kg`

`amu`

`m_e`

`mass`

## Potential

Possible units of measurement for potentials. The `[potential]`

entry acts like a dummy flag
(assumes the unit of measurement of potential is in internal units), useful for dimensional
analysis.

`volt`

`au_pot`

`potential`

## Force

Possible units of measurement for forces. The `[force]`

entry acts like a dummy flag (assumes the
unit of measurement of force is in internal units), useful for dimensional analysis.

`N`

`Newton`

`mN`

`mNewton`

`au_f`

`force`