When choosing a TV, it is very important to understand its dimensions, especially the width. Some people mistakenly confuse the diagonal of the TV with its width. This sometimes results in curious situations. For example, I have a friend who wanted to buy a 55-inch wide TV. However, he chose just a 55 inch TV, so the TV turned out to be a little smaller than he expected.

You have to understand why manufacturers specify the screen diagonal first and not the width or length. It’s very simple because the diagonal contains a lot more information about the size of the TV than, for example, the width.

The fact is that TVs can have different aspect ratios. For example, old TVs had a 4:3 aspect ratio. Of course, nowadays such TVs are almost extinct, so you are unlikely to find them. But the two main aspect ratios – 16:9 and 16:10 – are still common.

This means that even if you know the width of the TV, it does not give you information about the real size of the screen, so manufacturers specify exactly the diagonal.

However, if you need to know the exact TV dimensions (for expample. to know whether it will fit your room), then you definitely need to know the width, height and thickness as well.

What are the dimension of 55 inch TV?

Is 55-inch TV 55 inches wide?

No, a 55 inch TV is not 55 inches long. If you use Pythagoras’ theorem, the diagonal of the TV is always greater than its width.

I won’t bother you with formulas or complicated explanations, you just have to understand that the width is always less than the diagonal, so a 55 inch TV will always be less than 55 inches wide.

This is actually a common misconception. However, you should keep this simple rule in mind, and below I will talk about 55 inch TV dimensions.

Note: Taking into account we have readers both from the US and European countries as well, we would provide 55 inch TV dimensions both in inches and cms. Also, at the end of the article, we would provide 55 inch TV dimensions (width, height, and thickness) in short form, without additional text.

55 inch TV dimensions: 55 inch TV width

Most TVs have a 16:9 aspect ratio, meaning that if we divide any side of the TV into equal parts, two sides are 16 parts (this is the width of the TV) and the other two sides are 9 parts (this is the length of the TV).

So, the width of most TVs will be 47.94 inches or 121 cm.

Of course, you have to understand that a 55 inch TV means that it has a 55 inch screen. The TV itself will be slightly larger because of the frame. However, modern TVs have very thin bezels so they have little effect on the overall size of the TV.

55 inch TV dimensions: 55 inch TV height

The height also depends on the aspect ratio of the TV screen. With a 16:9 TV, the average height will be about 27 inches (68.5 cm). However, this is the height of the TV without the stand. If you are using a stand, the height will be 3 inches (7.62 cm) higher.

I recommend using a 55 inch TV on a stand as this TV is not big enough to mount it on the wall.

55 inch TV dimensions: How thick is a 55 inch TV?

Thickness or depth is not as important as height and width, but it is also an important measurement. The thickness does not depend on the diagonal, but on its hardware. The TV needs to be thick enough to have a processor in it as well as HDMI ports, as well as other ports.

Almost all modern TVs are about 2 inches thick (about 5 cm). Of course, it depends on the model of the TV, but the average thickness varies from 1.7 to 2.2 inches.

Also, don’t forget that the stand also counts in the thickness of the TV, with the stand the depth of the TV will be about 12 inches (30.5 cm).

What is the dimension of 55 inch TV?

To help you understand 55 inch TV dimensions briefly, I’ve also compiled all the information about TV sizes in one paragraph. The first paragraph has information about 55 inch TV dimensions in inches, and the next paragraph will have information about dimensions in cm.

55 inch TV size in inches

To help you understand 55 inch TV dimensions briefly, I’ve also compiled all the information about TV sizes in one paragraph. This paragraph has information about 55 inch TV dimensions in inches, and the next paragraph will have information about dimensions in cm.

  • The width of a 55 inch TV is 48 inches.
  • The height of a 55 inch TV is 27 inches without a stand and 30 inches with a stand.
  • The average thickness (depth) of a 55 inch TV is 2 inches without a stand or 12 inches with a stand.

55 inch TV size in cm

  • The width of a 55 inch TV is 121 cm.
  • The height of a 55 inch TV is 68.5 cm without a stand and 76.2 cm with a stand.
  • The thickness (depth) of a 55 inch TV is around 5 cm without a stand and 30.5 cm with a stand.

Is a 55 inch TV big enough?

It depends on the size of your room and how far away you want to sit from the TV. The optimal viewing distance for a 55″ TV is about 83 inches (6.92 feet). This is equivalent to 211 cm (or 2.11 m).

So before you buy, just measure the distance from the sofa, bed, or chair and if it fits, then the 55 inch TV is big enough.

Also, don’t forget that if you are measuring the distance to the bed, you need to measure the distance not to the beginning of the bed, but to where your head will be (usually the end of the bed).

If you measured the distance and it was more than the recommended distance, you probably need to choose a larger diagonal TV. Of course, such a TV will cost more, but it is justified, because only in this case you will get maximum viewing comfort.

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