There is not a minimum measurement requirement for a size of a room for it to be considered a bedroom. A room can be considered a bedroom if it has a closet.
There is no minimum bedroom size in Washington state. However, in order to be considered a bedroom, the room must have heat, a window large enough to escape through if you had to, and a closet.
The minimum size of a standard South African bedroom is 4000x2500
10 by 10
Two bedrooms
A so called 'average bedroom' is so variable that it is impossible to give a definitive answer. You would need to take the dimensions from ten or more estate agents 'for sale' bedroom dimensions, and then average the results.
The min size of a bedroom is 70 square feet with no dimension less than 7 feet, so a 10 x 7 would be the smallest size. If the ceiling is sloped it may have to bigger.
The ideal bedroom size will vary from person to person, depending on their needs.
A king size bed is recommended for a master bedroom.
Emergency egress requirments. 5.0 sqr ft at grade level and 5.7 sqr ft below or above grade (second floor and above). 24" clear opening height minimum. 20" clear opening width minimum.
The average size of a master bedroom in the United States will vary on the area one lives in. However, an average size of a master bedroom is the U.S. is 17' X 15'.
A small bedroom can vary in size based on a person's perspective. The average size is around 12 feet by 12 feet.