That depends... Do you have windows in this room? How large are they? How long do they spend in the sun? What is your insulation like? Do you ahve any doors? Are there any trees that might shade your roof? Calculating a proper AC unit for a room or house isn't as easy as it looks as you must account for heat gain from various sources. Consider consulting a reputable AC dealer or service company in your area.
The area of the floor is 0.0234 square meter. The area of the ceiling is also 0.0234 square meter. We could also calculate the area of the walls, but we would need to know the height of the room.
9000 Btu
You need the width of the base board.
2.5 x 3.0 = 7.5 square meters
2.5*4 = 10 square meters
It would be a very small room. More like a closet. Try 1 meter by 3 meter, or 1.5 meter by 2 meter both would make 3 square meters.
Area = 30*40 = 1200 square meters
3.34 square meters.
It is about the size of a small bedroom
Square feet is a good unit to measure the area of a room in a house.
About $450.00
4,882 square feet equates to 453.55 square meters.