The only way to know for sure is to measure the door.
Standard front door thickness.
Doors can be as narrow as 30 inches and as tall as 96 inches and thickness can depend on the door material.
Standard thickness is 1 3 4 inches.
The door jamb is the frame that installs in the wall and supports the door via hinges.
30 and 32 inches also available.
The main difference being an increased door height of 2040mm and door thickness of 40mm.
Fire door standard sizes.
96 inches or 8 ft.
Is now very common for newer homes and stock exterior doors are also commonly available in 30 and 32 inch widths.
80 inches 6 feet 8 inches thickness.
2040 x 526 626 726 826 926 x 40mm.
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 entry door measurements.
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.
Standard interior door jamb thickness on pre hung doors is 4 9 16 inches.
The standard door thickness is 1 inch.
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Some door manufacturers sell doors in 7ft.
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.