February 24, 2024
Measuring a flat screen TV is critical to get optimal viewing experience. Our step-by-step guide with expert advice and common mistakes to avoid, including how to choose the right TV size and the best measuring tools for the job.


Measuring a flat screen TV is an essential task that every TV owner should know how to do. It’s important to know the exact size of your TV so you can purchase the appropriate stand, mount it on the wall, or check if it will fit in your desired location. In this article, we’ll provide a comprehensive step-by-step guide on how to measure your flat screen TV accurately. We’ll also give you tips, expert advice, and common mistakes to avoid so that you can measure like a pro for optimal viewing experience.

A Step-by-Step Guide: How to Measure Your Flat Screen TV

Before you start measuring, you need to prepare a few tools such as a measuring tape or ruler, and a dry wipe to clean the screen.

Step 1: Measure the screen diagonally

This is the most common measurement method that can be done by measuring the screen diagonally from one corner to another. Please make sure to measure from the edge of the display area and not from the outer edges of the TV. Measure accurately and make a note of the number. This will give you the screen size, typically in inches.

Step 2: Measure the screen width

Measure the screen width by placing your measuring tape across the TV’s screen horizontally from one side to the other. Make sure the tape is not touching the bezel (frame surrounding the screen) and is at a straight angle. Again, take note of the number in inches or centimeters.

Step 3: Measure the screen height

Use the same technique as step 2 but this time measure vertically from the bottom to the top of the screen not including the bezel. Make sure the measuring tape is straight and perpendicular.

Step 4: Measure the depth of your TV

Measure from the back of the TV to the front edge of the screen. This can be important if you’re planning to place the TV on a stand or plan to mount it on a wall with a bracket.

Once you have completed all four measurements, you should have a basic understanding of the size and dimensions of your TV.

Why Measuring Your Flat Screen TV is Important: Tips and Tricks for Accurate Measurements

So why is measuring your flat screen TV important? Well, knowing the dimensions of your TV can save you time, money, and help you get the best viewing experience possible. Accurate measurements can help you purchase the appropriate stand or mount, prevent mistakes when installing, and ensure the TV fits perfectly in the designated location.

Here are some tips and tricks for taking accurate measurements:

  • Use a measuring tape instead of a ruler to get more precise measurements
  • Measure twice to avoid any errors
  • Turn off the TV before measuring to avoid any glare or reflection
  • Clean the screen before measuring as any dirt or dust can obscure the numbers
  • Measure in centimeters to get more accurate numbers

It’s important to note that small errors can create problems, especially when it comes to mounting the TV on a wall, where, if it doesn’t fit or isn’t level, it can become a safety hazard.

Expert Advice: Top 5 Methods for Measuring Your Flat Screen TV

Here are the top 5 methods for measuring your flat screen TV:

  1. Diagonal measurement
  2. Width measurement
  3. Height measurement
  4. Combined width and height measurement
  5. Outer edge measurement

The diagonal measurement is the most common way of measuring your TV and is often referred to as the official size. It’s important to remember that when you measure the diagonal length that you don’t include the bezel.

The width and height measurement are essential if you’re planning to put the TV on a stand. Make sure to measure the actual screen size and not the bezel surrounding it. You can also opt for a combined width and height measurement to get the full picture of the TV size.

The outer edge measurement is not very reliable and can often give you inaccurate results. It involves measuring the outer edges of the TV which includes the bezel.

It’s important to choose the right measurement method based on your requirements as each method has its pros and cons.

Common Mistakes to Avoid When Measuring Your Flat Screen TV: Essential Tips for Accuracy

Measuring your TV can be tricky, and avoiding some common mistakes can save you time and guarantees accuracy. Here are some of the most common mistakes people make when measuring their flat screen TV and tips to avoid them:

  • Including the bezel in the measurement
  • Measuring at an angle instead of straight on
  • Not turning off the TV before measuring
  • Using a ruler instead of a measuring tape
  • Measuring with dirty or smudged hands

Avoiding these mistakes and following the step-by-step guide provided above can ensure that you get the most accurate measurements possible.

DIY Guide: How to Measure Your Flat Screen TV Like a Pro

If you want to measure like an expert, then make sure you have the appropriate tools, including a good quality measuring tape. Here are some expert tips for measuring your flat screen TV like a pro:

  • Use a laser level to ensure alignment and straight measurement
  • Clean the screen with a dry wipe before measurements
  • Measure in centimeters instead of inches
  • Measure from inside the bezel instead of the outside
  • Take multiple measurements to ensure precision

Using a laser level can help ensure that your measurements are perfectly straight and aligned. Measuring inside the bezel can give you a more accurate reading of the screen’s size. Making sure your hands are clean and the screen is wiped down can ensure that you’re getting precise readings.

Understanding Screen Size: A Guide to Measuring Your Flat Screen TV for Optimal Viewing Experience

Choosing the right size TV is important as it can significantly affect your viewing experience. A screen that’s too small can lead to eye strain, while one that’s too big can cause discomfort. Here are some tips to help you choose the right size TV for your viewing needs:

  • Calculate the ideal screen size based on viewing distance
  • Choose the screen size based on room size
  • Consider the aspect ratio for your desired content
  • Account for bezel size, especially when measuring for wall mounting

Calculating the ideal screen size based on viewing distance involves measuring the distance between the TV and your seating area and calculating the size based on that distance. Room size is also an influential factor. For example, a larger room can accommodate a bigger screen. Aspect ratio can also play a critical role in choosing your desired TV size. For essential films and TV shows, a screen that fits the aspect ratio of 16:9 is the ideal choice.


In summary, measuring your flat screen TV is an essential task that every TV owner should know how to do. Accurate measurements can save you time and guarantee you a better viewing experience. By following the step-by-step guide and expert advice provided in this article, you can measure your flat screen like a pro.

Remember, taking accurate measurements is critical, as even small errors can result in significant problems down the line. Choosing the right size TV based on your needs is also essential for optimal viewing experience. So go ahead and apply this knowledge to improve your flat screen TV experience.

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