This variable is used to scale the User Interface. You must have the variable [[CVar useUiScale|useUiScale]] set to 1 for this variable to be of any effect.
#redirect [[CVar uiScale]]
In Config.wtf:
*SET uiScale "1.0"
In Console:
*/console uiscale 1.0
Acceptable values
*0.64 up to 8.0 and beyond
**Values lower than 1.0 shrink the size interface. Values higher than 1.0 increase the size of the interface.