Building codes for a single family dwelling typically require hallways to be a minimum of 3 ft (36 inches) in width. A hallway that is 5 ft (60 inches) in width comfortably allows for the passage of two people. As a side note, the width of a typical wheelchair is 22 inches.
size of a normal hallway?
36"
Residential building codes vary substantially from municipality to municipality and should be checked locally, but at minimum a hallway width should be no less than 36 inches.
3 feet.
3 feet.
Answer
21 feet
3 feet
Length is 3/4 of 36 ie 27 ft, width is 9 ft
5 and 10
48 inches
There is not a quote "standard" door width as doors can be purchased in 2" increments. There are a few building code restrictions for minimum width of certain doors. Like an egress door is required to be 36 inches in width for a residence. There can also be minimum widths for handicap accessibility. These doors in a house need to have a clear opening width of 30 inches.
You should have at least one in each room. And one in each hallway. My house has a total of 23 smoke alarms
in the hallway of the house