How many square meters is a room 4 meters long and 3 meters wide?
The area is calculated by multiplying the length by the width, and the width is equal to the area. According to your example above, it is 4*3= 12 square meters. To calculate how many square meters a room has, just measure the length and width of the room to be calculated. Through the rectangular area formula: length multiplied by width, you can calculate the area of the room, that is, how many square meters.
1, usable area: equal to the sum of horizontal projection areas surrounded by the inner surface of the wall of each functional space. Many people may say that this is the indoor carpet area, except for the part below each door opening, the others are similar.
2. Interior usable area: The interior usable area is the sum of the usable area of each room. Please remember: don't misuse the use area, which may make us unable to find its accurate definition. It's better to use the usable floor area mentioned in the Code for Residential Design. It's easy to explain the concept clearly.
3. Interior construction area: interior construction area = interior usable area+balcony area+wall area, which is used in many contracts, but it is very difficult to calculate the wall area, especially for external walls, if there is thermal insulation layer.
4. Public building area: refers to the sum of the building areas of all public parts. The so-called public part includes many contents, such as elevator shafts, stairs, corridors, halls and so on. But there are two basic principles: one is to be directly connected with the building where the house is located, and the other is to serve this building.
What is the size of the bedroom?
As a bedroom, it is a place for people to rest and recharge. In fact, it is better to control the bedroom area at 10-20 square meters. There aren't many adults in the room. It's a haunted house. Ancient geomantic theory pointed out that there are few adults in the house, which is a haunted house. People think that a big house will attract people. Therefore, even the emperor's bedroom will not exceed 20 square meters in area.
Because of the large area, the bedrooms of most villas are designed to be much larger than ordinary houses. In fact, living in a large bedroom for a long time will consume more energy, and it is more prone to mental illness and decreased immunity, and even illness in severe cases. The human body is a body full of all kinds of energy.
If you want to buy a house, you must pay attention to the specific knowledge of buying a house, and pay more attention to the calculation method of housing area. After all, this is also related to your own vital interests, that is, how many square meters is a room 4 meters long and 3 meters wide, and how large the bedroom area is. When measuring the housing area, it is recommended to ask an experienced master to measure.