Dimensions of A 55-inch TV: Sizes, Ratios, And Resolutions

A 55-inch TV is a popular choice for many households, thanks to its immersive viewing experience and affordable price tag. However, before you invest in one, you need to understand the various dimensions that affect the TV’s performance and compatibility with other devices. 

Common 55-inch TV Dimensions

The dimensions of a 55-inch TV can vary depending on the model and brand. However, here are some of the most common dimensions for a 55-inch TV:

  • Screen Size: 55 inches (139.7 cm)
  • Width: 48.5 to 50.5 inches (123.19 to 128.27 cm)
  • Height: 27.5 to 29.5 inches (69.85 to 74.93 cm)
  • Depth: 2 to 3.5 inches (5.08 to 8.89 cm)

Aspect Ratios: What Are They and Why Do They Matter?

The aspect ratio is the proportional relationship between the width and height of a TV screen. It determines the shape of the screen and how content is displayed on it. 

The two most common aspect ratios for TVs are 16:9 (widescreen) and 4:3 (fullscreen). Widescreen TVs are better for watching movies and TV shows, while fullscreen TVs are better for older content and video games.

Resolutions: How Many Pixels Do You Need?

Resolution refers to the number of pixels that make up a TV screen’s image. The more pixels, the sharper and clearer the image. 

The most common resolutions for a 55-inch TV are Full HD (1920 x 1080 pixels), 4K Ultra HD (3840 x 2160 pixels), and 8K Ultra HD (7680 x 4320 pixels). 

Full HD is the minimum resolution for a 55-inch TV, while 4K and 8K are more expensive but offer a more immersive viewing experience.

Factors to Consider When Choosing a 55-inch TV

When choosing a 55-inch TV, there are several factors to consider, including:

  • Screen size and aspect ratio
  • Resolution
  • Refresh rate
  • HDR support
  • Smart TV features
  • Audio quality
  • Connectivity options
  • Price and brand reputation

Popular 55-inch TV Models and Their Dimensions

Here are some of the most popular 55-inch TV models and their dimensions:

  • Samsung QN55Q70AAFXZA: 48.4 x 27.8 x 2.3 inches
  • LG OLED55C1PUB: 48.3 x 27.8 x 1.8 inches
  • Sony XBR-55X950H: 48.5 x 28 x 2.5 inches
  • Vizio M55Q7-H1: 48.5 x 28.3 x 2.4 inches
  • TCL 55R635: 48.3 x 28 x 2.8 inches

Tips for Setting Up Your 55-inch TV

To get the most out of your 55-inch TV, here are some tips for setting it up:

Choose the right location: 

Place your TV in a room with minimal glare and ambient light.

Adjust the height and angle: 

The TV’s center should be at eye level when seated, and the angle should be adjusted to avoid neck strain.

Connect other devices: 

Connect your gaming console, soundbar, or other devices to enhance the viewing experience.

Calibrate the picture and sound: 

Adjust the picture and sound settings to match your preferences and the room’s lighting.

Use a surge protector: 

Protect your TV and other devices from power surges by using a surge protector.


What are the actual dimensions of a Samsung 55 TV?

The actual dimensions of a Samsung 55-inch TV can vary depending on the model, but the Samsung QN55Q70AAFXZA, for example, measures 48.4 x 27.8 x 2.3 inches (122.9 x 70.6 x 5.8 cm) without the stand.

What is the best resolution for a 55-inch TV?

The best resolution for a 55-inch TV depends on your preferences and budget. Full HD (1920 x 1080 pixels) is the minimum resolution, while 4K Ultra HD (3840 x 2160 pixels) and 8K Ultra HD (7680 x 4320 pixels) offer a more immersive viewing experience but are more expensive.

How wide is 55 inch TV in CM?

To convert the width of a 55-inch TV from inches to centimeters, you can multiply it by 2.54 (since there are 2.54 centimeters in one inch). Therefore, a 55-inch TV is approximately 139.7 cm wide.

What is the ideal viewing distance for a 55-inch TV?

The ideal viewing distance for a 55-inch TV is between 6 and 9 feet (1.8 to 2.7 meters) away from the screen.

Can I mount a 55-inch TV on the wall?

Yes, most 55-inch TVs come with a VESA mount that allows you to mount them on the wall. However, make sure to choose a compatible mount and follow the manufacturer’s instructions for installation.

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