# units keywords

Units parameters

## units.energy

Defines the default units of energy in the input file. More specific
keywords (e.g. units.dos.range) have precedence over units.energy.

**type**: `string`

**default**: `'Hartree'`

**allowed**: `'Hartree','eV'`

**example**: `units.energy = 'Hartree'`

## units.length

Defines the default units of length in the input file. More specific
keywords (e.g. units.atom.xyz) have precedence over units.length.

**type**: `string`

**default**: `'Bohr'`

**allowed**: `'Angstrom','Bohr'`

**example**: `units.length = 'Angstrom'`
