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.
Standard front door thickness.
The only way to know for sure is to measure the door.
The door jamb is the frame that installs in the wall and supports the door via hinges.
The standard door thickness is 1 inch.
Standard thickness is 1 3 4 inches.
Standard interior door jamb thickness on pre hung doors is 4 9 16 inches.
The main difference being an increased door height of 2040mm and door thickness of 40mm.
If your door opening is an unusual size simply take your measurements to a home depot store near you and an associate will help you choose the right door for your home.
Measuring your door will give you an idea of the rough.
96 inches or 8 ft.
Standard entry door measurements.
2040 x 526 626 726 826 926 x 40mm.
Some door manufacturers sell doors in 7ft.
30 and 32 inches also available.
Fire door standard sizes.
Your entry door may not be considered a standard front door size especially if the home is older or has custom finishes.
All of the standard uk and metric door sizes are usually available as a fire door equivalent with the only difference being an increased door thickness of 45mm.
Is now very common for newer homes and stock exterior doors are also commonly available in 30 and 32 inch widths.
The standard size for an exterior door is 80 inches by 36 inches which is 6 ft 8 inches by 3 ft.