Doors can be as narrow as 30 inches and as tall as 96 inches and thickness can depend on the door material.
Average room door dimensions.
One of the most common front door sizes in american houses is 36 inches wide by 80 inches tall and almost 2 inches thick.
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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.
While a door width of 36 inches is oversized for an interior door it s the standard size for front doors.
The international residential code does not require interior doors to be as large as the main entry door in a house but it still sets minimum height and width requirements.
The standard size for an exterior door is 80 inches by 36 inches which is 6 ft 8 inches by 3 ft.
Then you need to measure the width most common width are 2 6.
Door height normally is 6 feet 8 inches but these days to have a better aesthetic look having 8 feet door height is the new trend width for a 6 feet 8 inches door is 30 to 36 inches depending on the space available.
How to measure your existing standard interior door size to measure your existing door you need to take a measuring tape and measure from the bottom of the door to the top of the door most common doors measure.