The height of and interior wall (the ceiling) is 8ft. The width is up to you. There is no standard...
As an Architect, I use a minimum 28" door for all bedrooms. The typical sizes are 24", 28", 30" 32", 36"
The width of a standard interior door is 32 inches. There are many other standardized sizes ranging from 18 to 36 inches depending on the application.
The standard bedroom window is 3' wide x 5' high.
The standard German door for interior use is 80cm wide, for access doors there are various size ranging from 80cm to 120cm.
3 1/2 inches before drywall standard walls have 1/2 inch drywall so 4 1/2 inches for a standard wall
There is no standard width.
There is no standard width of a kitchen countertop! After saying that 25" is the usual kitchen countertop width to fit a 24" kitchen base cabinet.
The width of an interior hall will be about three feet wide. This is designed to be wide enough for two people to pass in the hall.
it can be any width
39 inch is the standard width of any door of house. 36 is the standard width (3 feet).
Standard width (with no riggings): 24 1/2"