
Choosing the right TV size for a room is crucial for an optimal viewing experience. The size of the TV should be determined by the dimensions of the room, the distance between the seating and the screen, and the screen resolution. The larger the room, the larger the TV can be to ensure a good viewing experience without the TV dominating the space. Conversely, a smaller room may require a more compact TV. The viewing distance, or how far away viewers will sit from the screen, is also important. The SMPTE recommends sitting at a distance where the screen fills 30° of the field of vision, which equates to 1.2-1.6 times the screen's diagonal measurement. Additionally, higher resolution TVs, such as 4K models, typically require viewers to sit closer to appreciate the enhanced picture quality.
For example, TV sizes in Australia range from 32 inches to over 75 inches, with 60- to 75-inch TVs being the best-selling sizes.
| Characteristics | Values |
|---|---|
| TV size | 32", 43", 49", 50", 55", 60", 75", 77", 83", 85", 86" |
| Viewing distance | 1.2-1.6 times the screen's diagonal measurement |
| Screen resolution | 4K ultra-high definition (UHD), HD |
| Room size | Small, medium, large |
| Room type | Bedroom, kitchen, home gym, living room, cinema room |
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What You'll Learn

Viewing distance
When it comes to choosing the right size TV for a room, viewing distance is a key consideration. The larger the TV, the further you should sit from it. The SMPTE (Society of Motion Picture and Television Engineers) recommends that you sit at a distance where the screen fills 30° of your field of vision. This means that your viewing distance should be 1.2-1.6 times the screen’s diagonal measurement. For example, if you have a 75” TV, the minimum viewing distance would be 90” (or 2.28 metres).
If you have a smaller room, a larger TV can dominate the room, while opting for a smaller model in a large living room can mean you don’t get the full visual experience. You’ll also have to consider if you plan on having guests over for movie night, as you’ll want everyone to be able to see what’s going on.
The size of the TV is a suitable rule of thumb to follow, but you will also have to consider the size of the room that you plan on putting the TV in. The higher the definition of a TV, the larger the screen you can comfortably watch because there are more pixels per inch. With HD TVs, it is recommended to sit 1.5-2.5 times the screen diagonal away from the TV. So for a 50” TV, this would be at least 75-125 inches away (about 1.9-3.2m). With 4K TVs, this is lowered to 1-1.5 times the screen diagonal.
If you are a fan of 4K ultra-high definition content (UHD), you need to sit closer. This is because the extra detail is only viewable from a certain distance and if you sit too far away, the pixels will become harder to distinguish.
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Room size
When choosing a TV, it's important to consider the size of the room it will be placed in. If you have a smaller room, a larger TV can dominate the space, while a smaller model in a large room may not give you the desired visual experience. You should also consider the layout of the room, the viewing distance, and the screen resolution.
The viewing distance is the distance between the TV and your couch or seating area. The larger the TV, the further you should sit from it. The SMPTE (Society of Motion Picture and Television Engineers) recommends that you sit at a distance where the screen fills 30 degrees of your field of vision. This means that your viewing distance should be 1.2 to 1.6 times the screen's diagonal measurement. For example, if you have a 75-inch TV, the minimum viewing distance is 90 inches or 2.28 metres.
If you plan on having guests over for movie nights, you'll want to ensure that everyone has a good view of the screen. This may mean considering a curved model or a larger TV that can be seen from various angles.
For bedrooms, smaller TVs in the range of 32 to 55 inches are ideal. For kitchens and home gyms, compact sizes of 32 to 47 inches are suitable, providing a good viewing experience without taking up too much space.
For living rooms, a range of sizes can be considered depending on the size of the room and the desired impact. Screens above 85 inches will fill more of your field of vision, creating a cinematic experience and a focal point in the room. Mid-size screens of 60 to 75 inches are popular in Australia, offering a premium viewing experience without becoming the central focus of the room.
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TV placement
When it comes to TV placement, there are several factors to consider. Firstly, it is essential to measure the available space in the room, including the width and height of the desired TV area, to ensure the chosen TV fits comfortably. This involves considering the layout of the room and any additional furniture or equipment that may take up space.
The size of the room will influence the optimal TV size. A large TV in a small room may dominate the space, while a small TV in a spacious room may result in a less-than-desirable viewing experience. Viewing distance is a critical aspect of TV placement. The SMPTE (Society of Motion Picture and Television Engineers) recommends sitting at a distance where the screen fills 30° of your field of vision, which equates to a viewing distance of 1.2-1.6 times the screen's diagonal measurement. For example, a 75" TV would require a minimum viewing distance of 2.28 metres.
Additionally, the height of the TV placement is important. If the TV is wall-mounted, the optimal viewing distance recommendations may need to be adjusted to ensure a comfortable viewing experience. The size and resolution of the TV also play a role in placement. Higher-resolution TVs, such as 4K models, often require closer viewing distances to fully appreciate the enhanced picture quality.
It is worth noting that the placement of a TV should also consider practical aspects, such as cable management and access to power outlets. Ensuring easy access to necessary connections can enhance the overall functionality and aesthetics of the setup.
Lastly, personal preferences and viewing habits should be considered. If hosting movie nights with guests is a common occurrence, the placement and size of the TV should accommodate comfortable viewing for multiple people. Curved TV models may also be worth exploring in such cases.
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Resolution
When it comes to choosing the right television for a room, resolution is a key consideration. The resolution of a television refers to the number of pixels that come together to create the image on the screen. The higher the resolution, the more pixels there are, and the sharper the image will be.
For example, a 4K or Ultra-HD (UHD) resolution is four times sharper than a Full HD resolution. While a small television may not show a noticeable difference in resolution, a larger screen will display a more detailed image. As a general rule, as the screen size increases, so should the total pixel count or resolution.
When selecting a television, it is important to consider the viewing distance and the position of the television in the room. The larger the television, the further away you should sit from it. If you are too close to a large screen, you may experience eye strain or be unable to see the whole picture. Similarly, if you are too far away from a small television, you may struggle to read subtitles or see small details.
To determine the appropriate television size for your room, measure the distance between your couch and the planned location of the television in inches and divide that number by 1.4. This will give you the recommended television size for your viewing distance.
It is worth noting that comfort and personal preference also play a role in choosing the right television size. You may find that you are more comfortable with a larger or smaller screen at a given distance than what is generally recommended. Additionally, the physical dimensions of the television, including the stand and bezel, should be considered to ensure it fits well within your furniture setup.
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Budget
When it comes to choosing the right size TV for a room, viewing distance should be a key consideration. Generally speaking, the larger the TV, the further you should sit from it.
The SMPTE (Society of Motion Picture and Television Engineers) recommends that you sit at a distance where the screen fills 30° of your field of vision. This means that your viewing distance should be 1.2-1.6 times the screen’s diagonal measurement. For example, if you have a 75” TV, the minimum viewing distance would be 90” (or 2.28 metres).
There are several formulas you can use to determine the optimal screen size based on the distance you sit from your TV. One simple method is to measure how far (in inches) your couch is from where you plan to place your TV and divide that number by 1.4. That's the TV size you should choose. For example, if your couch is seven to eight feet away, you can comfortably move up to a 65-inch TV.
It's important to remember that bigger isn't always better when it comes to TV size. If a screen is too big and you sit too close, you may experience eye strain or be unable to see the whole picture. Additionally, larger TVs are more expensive, and you may not have enough space in your room.
When shopping for a TV on a budget, consider the following:
- Screen resolution: While 4K is the most popular TV screen resolution today, offering a high level of sharpness and depth, it is more expensive. If you're on a tight budget, consider a 1080p HD or Full HD TV, which provides good image quality at a more affordable price.
- Display technology: LED/LCD display panels are the most affordable option and provide the best light input, resulting in a higher level of brightness. However, they may not deliver the same black levels as more expensive OLED TVs.
- Inputs: If you're considering a cheaper or smaller TV, check the number of HDMI plugs at the back. Manufacturers sometimes lower costs by including fewer inputs.
- Refresh rate: Most TVs today have a refresh rate of 60Hz or 120Hz, with the latter typically providing a faster response time. However, both options can create a smooth viewing experience, so you may opt for a lower refresh rate to save costs.
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Frequently asked questions
TV sizes in Australia range from 32” to upwards of 75”. 60- to 75-inch TVs are considered mid-size and are the best-selling sizes in Australia. TVs above 85 inches are considered immense and are suited to home cinemas or living rooms.
The size of the TV you should get depends on the size of the room and how far you will be sitting from the screen. If you have a smaller room, a larger TV may dominate the room, whereas a smaller TV in a large room may not give you the desired visual experience. As a general rule, the larger the TV, the further away you should sit from the screen.
The size of a TV refers to its diagonal length, which is measured from the upper left-hand corner of the screen to the lower right-hand corner.
In addition to the size of the room and viewing distance, you should also consider the resolution of the TV. The higher the resolution, the larger the screen you can comfortably watch as there are more pixels per inch.











































