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As technology advances, televisions are also constantly being improved to have larger sizes and better quality. If you’ve just switched to a newer TV, you’ll probably want to know the best way to measure screen size. Fortunately, measuring the size of the TV is very simple and only takes a few seconds. Drag the tape measure from corner to corner of the screen to double check the screen measurement provided by the manufacturer. If you want the TV to fit in a cabinet, shelf or a place on the wall, measuring the TV also helps you to know the width, height and thickness to make sure the TV fits the installation location.
Steps
Measure the size of the TV
- Here are a few common TV sizes based on the screen’s diagonal measurement: 24 in (61 cm), 28 in (71 cm), 32 in (81 cm), 42 in (110 cm), 48 in (120 cm), and 60 in (150 cm). [2] X Research Source
- You can also find TVs with screens 72 in (180 cm) or larger.
Tips: Measure only the screen size, do not measure the border or frame around the outer edge of the screen. [3] X Research Sources
- For example, a 60 in (150 cm) television has an actual width of 52.3 in (133 cm).
- The width of the TV is the most important factor – as you will need it when hanging the TV on the wall or on a cabinet or shelf.
- A 48 in (120 cm) TV with a 42 in (110 cm) wide screen will be about 25–27 in (64–69 cm) tall.
- In general, height is not as important as width. However, the height measurement also makes a difference when you choose where to place the TV.
- You need to know the thickness of the TV to make sure it will fit in an existing cabinet or shelf.
- TVs are constantly being redesigned to save space. Today, many flat screen televisions less than 10 in (25 cm) thick come with a stand, and there are even standless models that are only about 3 in (7.5 cm) thick. [4] X Research Sources
Make sure the TV fits the installation site
- For the most accurate results, it is recommended that you round the measurement to 1/2 in (1.3 cm).
- Note the size of the place to place the TV for easy reference when you choose to buy a new TV.
- You can “tuck” a 50 in (130 cm) TV into a TV cabinet that has 45 inches (110 cm) of space, but the space will look very tight. Better yet, choose a 46 in (120 cm) or 48 in (120 cm) TV for free space.
- You need to know the width and height of the TV if you want to mount it on the wall. If you want to place the TV on a shelf or cabinet, you must also consider the thickness of the screen.
- For example, if you want to sit about 72 in (180 cm) from the TV, a 60 in (150 cm) TV will provide the optimal viewing experience.
- Another option is to use an online calculator to figure out what size TV will best fit your space, or how far away from the TV you should sit for the best viewing experience. [7] X Research Sources
- Standard TVs squeeze the picture into a square image with a smaller overall area, while widescreen TVs take advantage of the extra width to display the full picture in the right size. [9] X Research Source
- It is possible that a standard TV (4:3) and a widescreen TV have the same diagonal measurement, but the picture will look slightly different.
- If you’re using a standard 40 in (100 cm) TV, you’ll need a widescreen TV with a screen size of at least 50 in (130 cm) to ensure that the displayed image is not reduced in size.
Advice
- If you’re not sure you can afford a certain size, see another model of the same size. 50 in (130 cm) plasma TVs typically cost less than 50 in (130 cm) LED flat panel TVs, and standard LED TVs cost less than 4K smart TVs.
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
There are 8 references cited in this article that you can see at the bottom of the page.
This article has been viewed 104,074 times.
As technology advances, televisions are also constantly being improved to have larger sizes and better quality. If you’ve just switched to a newer TV, you’ll probably want to know the best way to measure screen size. Fortunately, measuring the size of the TV is very simple and only takes a few seconds. Drag the tape measure from corner to corner of the screen to double check the screen measurement provided by the manufacturer. If you want the TV to fit in a cabinet, shelf or a place on the wall, measuring the TV also helps you to know the width, height and thickness to make sure the TV fits the installation location.
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