The optimal viewing distance of 45 inches is 45*2.54*3.5 cm ≈400 cm, 1 inch = 2.54 cm. For another example, the best viewing distance of 40 inches is 40*2.54*3.5 cm ≈356 cm.
Note: The best viewing distance of TV is 3.5 times the diagonal length of TV.
Extended data
The living room, also called the living room, is the place where the host meets the guests and the facade of the house. The decoration and color of the living room can reflect the owner's personality, characteristics, vision, personality and so on. The living room should be light-colored, so that guests have a refreshing feeling and eliminate the fatigue of running around all day.
Layout taboo
The first point: the orientation and color of Chinese living room.
Choosing the right color in the living room layout can play a role in making money. Generally speaking, the living room decorated in Chinese style should be warm yellow, atmospheric and elegant.
The second point: the living room is not suitable for hanging pictures of wild animals.
Hanging pictures in the living room is very common. But it must be selective, and the top grade should be suitable for feng shui. Such as hanging flowers, plants, landscapes or fish. Auspicious animals such as birds, horses and phoenixes are usually not taboo. But if it is a dragon, tiger, eagle and other beasts, we need to pay special attention to the head of the beast in the painting to form an orientation pattern. Never threaten yourself with the animal head, otherwise it will easily bring unexpected disasters to your family.
The third point: the sofa is indispensable in the living room furniture, and the placement of sofa occupies a very important position in the living room. A sofa in the living room is nice. There should be no beam coping above the sofa. If it is inevitable, you can put two pots of lucky bamboo on the coffee table on both sides of the sofa to bear the top of the beam. The sofa can't face the door. If the sofa is in a straight line with the door, it is called "hedging" in Feng Shui. Its disadvantages are considerable, which will lead to the loss of family members and the dispersion of wealth.