How to measure a TV?

How to measure a TV?

Johann a TV mounting Technician and Editor
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6 min read for expertise
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Last Updated on June 6, 2022 by Johann Holsinger

We have a friend who went out and purchased their dream TV – by searching and finding the biggest television she could find and had nothing but excitement until she awkwardly discovered that the television wouldn’t fit how the couple expected inside their living room, she then had to return the television and get a smaller one that would fit better.

Don’t let this be your story, make sure to take proper measurements when planning to find a television and decent mounting hardware.

From what point to point do official TV screen sizes get measured?

So how to measure a flat-screen TV, you ask?

What many do not realize is that there is an official way to measure a television. You will need to measure the screen diagonally – this means from corner to corner.

When you’re measuring advertised screen sizes, don’t include the outside frame (bezel), you should only measure the screen.

Measuring your television from the top right to the bottom or top left to the bottom is the same.

The best way to measure your television screen is in inches, as normally advertised! 

No advanced tools are needed when measuring a TV in inches. All that’s needed is a measuring tape as a TV measuring guide and you will be good to go.

1

What are the most popular TV sizes?

Televisions are available in a variety of different sizes, but there are some screen sizes that are more popular than the others. When you’re shopping for a TV, you are going to come across more options of these main sizes:

A 24-inch television is one of the smallest you’re going to find. The biggest advantage of a 24” television is that this size is ridiculously cheaper in price.

You can easily find a good 24” LED television for under $120. These make good second TVs for a secondary room, like the kitchen.

The 28-inch television is a step up from a 24” size and can be seen at a slightly further distance, resulting in a good and suitable size for a bedroom or a dry area inside a bathroom!

This size of a TV is big enough to enjoy watching television and playing video games on.

The 32” television is a decent size, and suitable for a small living room. While many prefer getting a television that is larger than 32”, this one is big enough to watch from a couple of feet away.

I think 32 inches is the perfect screen size for a small place like an apartment or dorm.  

The sizes following those three are suitable for all living rooms and home theater setups.

After 32 inches we head into home theater-sized TV screens of 42, 48,50,60,65, and 70 inches in size.

Different uses of tv according to size

How to measure your TV screen size?

To measure a TV screen, all you need is a measuring tape. You will be taking a diagonal measurement of the screen.

Extend the measuring tape from the bottom left to the top right and record the number (this is the size of your screen).

Advertised TV size vs actual viewable sizes

In ads for TVs, the screen size is what catches our attention because as you know size matters. The measuring TV dimensions being promoted generally is what we refer to as the diagonal length (this is stated in inches).

The screens are measured diagonally in order to get the height and the width. The size of the television in an ad is only the measurement of the screen and does not include the bevel (the plastic lining that frames the TV). 

Televisions that are set up inside stores are made to look smaller, this is a way to trick you into buying a bigger television. Stores tend to showcase TVs on large walls with super high ceilings. 

In order to see how the TV would look in your living room, after you have taken the measurements, cut out a piece of cardboard with the same measurements as the TV, use tape to hold and mark your measurement points from the template to your wall (if you plan on mounting the TV to the wall) and this will give you a realistic idea.

How to measure a TV VESA mounting bracket size?

Selecting a mount for your television is all about preference, and what is best but along with the size and weight of your TV, there’s a specification you should familiarize yourself with the order to avoid compatibility issues that may arise.

This specification is called a VESA size and is the measurement from the four mounting holes that are located on the back of your TV. Without knowing a TV’s VESA size, it’ll be hard to get the right amount. 

VESA is an acronym and stands for the Video Electronics Standard Association.

Many times, you can find the VESA size inside the user manual or on the manufacturer’s website, but if all else fails, you can measure this yourself with the following procedure:

  • Measure the distance between the centers of the right and left holes (horizontal). This is going to give your first measurement. 
  • Measure the distance between the center of the bottom and top holes (vertical). This is going to give you the second measurement. 
  • If you’re measuring where to put the TV mount in inches, you will need to convert that number into millimeters.

Other parts of the TV to measure before installing

There are other parts of the TV you should measure before installing it, like the overall size of the screen edges.

We recommend measuring your TV also by weight.

You want to know the weight in pounds so that you can match a TV with your bracket’s weight capacity.

You will be able to confirm that a TV mount and the TV will fit the space you have picked out.

Measuring a TVs back

How to pick the right-sized TV for you?

Picking the right TV size will all depend on two factors: The size of the room you plan on putting the TV inside, and your budget and TV mounting style.

The budget may be the deciding factor, of course, but the right size of a TV will depend on how far you usually sit from the screen and how immersive you would like your viewing experience to be.

Picking the best furniture for mounting TV

Ensuring your TV fits inside the intended place

So you need to know how to measure how big your TV is.

After reading this short guide, you will understand how to correctly measure a TV in order to make sure your electrical friend fits inside the intended place.

The best way to ensure your TV is going to fit is by measuring the height and width.

You can do as we said earlier, get the measurements, then cut out a cardboard piece with those same measurements, and put your DIY template where you intend on putting the television on your wall.

This will let you see how the TV is going to look in your intended place and position before getting out your tools and mounting.

A fitting furniture for the TV size

Common mistakes when measuring the right TV size

When measuring the right TV size is avoidable with some basic DIY measuring skills. We’d like to help you avoid some common mistakes. 

  1. Measuring more than the TV Screen when deciding on an advertised TV size
  2. Not measuring with Inches
  3. Not measuring the overall box size so that you can prepare for a good fit
  4. Not knowing a TVs VESA size
  5. Not getting a big and strong enough mounting bracket

When some people measure a television, they start by measuring the bezel at the same time, this is wrong for working out the screen size.

If you include the bezel in your measurements, this isn’t going to give the actual size of an LCD or LED screen.

In order to know the correct size, you will need to measure the diagonally from the top right corner to the bottom left corner. 

When measuring the TV size, use a tape measure that measures in inches as this is what manufacturers use. (Or convert the measurement by knowing that 1 inch is 25mm).

Screwing cabinet where a TV will be installed

Screwing an articulating TV mount before putting the TV on

Time to measure!

Mounting a Television isn’t the same as baking an apple pie, but if you have the correct information regarding mounting (like the measurements of your TV), the process will be easier.

Now that you are armed with all of the details needed for measuring a television, it’s time to get started.

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Johann Holsinger portrait

Hi, my name is Johann Holsinger, here at mountyourbox.com I share all of the tips and tricks I have professionally learned to help you set up your ultimate home entertainment system.