Standard exterior doors most building districts adhere to the international residential code which requires the main entry door of a house to be at least 36 inches wide and 80 inches high.
Typical exterior door sizes.
Some door manufacturers sell doors in 7ft 8ft heights and door widths from 24 inches to 42 inches.
Standard interior door height is 80 inches.
In stock you will also find a slightly shorter 78 inch door.
Rough opening width size nominal door width 2 inches or 4 inches if using brick mold.
Called a 6 6 door it s reserved for.
96 inches or 8 ft.
For example a 3 foot by 6 foot 8 inch door is a common size.
Exterior doors the standard size for an exterior door is 80 inches by 36 inches which is 6 ft 8 inches by 3 ft.
The exterior siding wall cladding should be approximately inch wider and inch taller than the door installation fin door width measurements use the outermost edges of jamb installation fin door height measurements use uppermost edge of the head fin to door frame sill.
Interior doors come in standard heights widths and thicknesses as follows.