Standard widths for different types of interior doors can be anywhere between 24 inches and 36 inches.

Pre hung door size chart. So the standard interior door. Double door unit with astragal. Add 2 ½” to door height.

Now all you need to know is how to properly frame your door rough opening. We could give you a nice chart of the different door sizes but the chart may vary slightly by manufacturer. The door jamb is simply the width of the prehung door’s frame.

Add 2 ½” to door width. Add 2 ½” to door height. While a standard door height is 80 (finished opening).

Two doors which swing open, allowing a nominal space of 5′ to 8′,. Likewise, single doors with sidelight (s) will need to include the width of the sidelight (s) itself in the full door. Door edge and frame strike preps.

Click the following for dimensions of the indicated types of doors: What is a standard thickness of a door? This is the minimum width required for a passage door.

Subtract 4 from width for each door. The height is the same as with a single door. The height for all passage doors must be a minimum of 80 inches and the standard width sizes for interior doors are 24”, 28”, 30”, 32” and 36”.