How big is a 40 inch tv, it is about 35 inches wide and 20 inches tall.
When we talk about how big a 40 inch tv is, we’re talking about the diagonal screen measurement from one corner to the opposite corner.
Different brands have different sizes because of the frame around the screen.
Understanding how big a 40 inch tv is helps you figure out if it’ll fit where you want it.
When someone says “40 inch tv,” it is about that diagonal measurement across the screen.
You need to understand the width, height, and depth too.
The width is around 35 inches, height about 20 inches, and depth about 3 inches.
40 inch tvs work great in small homes, apartments, or bedrooms where space can be tight.
Here in this post, we’re going to break down how big is a 40 inch tvs.
We’ll look at measurements, how much space you need for one, how different brands compare, and how to figure out the viewing distance.
How big is the 40-inch TV? Understand The Dimensions
When we say “40 inches,” we’re measuring diagonally from corner to corner of the screen part, not including the frame or stand.
Most 40 inch TVs have a width of 34.9 inches and a height of around 19.6 inches.
When you add the bezel, the width goes to between 35.5 and 36.3 inches, and the height goes up to between 20.5 and 21.5 inches.
For thickness, expect between 2.5 to 3 inches without the stand, or 7 to 9 inches with the stand.
Here’s a table with all the measurements:
| Measurement | Without Bezel | With Bezel | Metric (approx) |
| Diagonal | 40 inches | N/A | 101.6 cm |
| Width | 34.9 inches | 35.5-36.3 inches | 88.6-92.2 cm |
| Height | 19.6 inches | 20.5-21.5 inches | 49.8-54.6 cm |
| Depth (no stand) | N/A | 2.5-3 inches | 6.4-7.6 cm |
| Depth (with stand) | N/A | 7-9 inches | 17.8-22.9 cm |
| Weight (no stand) | N/A | 14-18 lbs | 6.3-8.2 kg |
| Weight (with stand) | N/A | 16-22 lbs | 7.2-10 kg |
How much space is needed for a 40 inch TV?
Measuring your space is important. First, look at your room size, a 40 inch tv works best in rooms between 90 and 150 square feet which is perfect for bedrooms, small living rooms, or apartments.
For wall mounting, you’ll need a wall space 36 inches wide and 22 inches tall.
This gives you a room around the edges of the tv.
If you’re putting it on a stand or table, furniture needs to be 36 inches wide for stability.
A 40 inch tv works great in:
- Bedrooms
- Small apartments
- Guest rooms
- Home offices
- Kids’ rooms
- Kitchen areas
For tv stands, look for one which is 36-42 inches wide.
This gives your tv support and looks balanced.
How Big is a 40 Inch Tv Comparison? Brands-by-Brands
Tv sizes can differ between brands when they’re all called “40 inch.”
Let’s check out how the brands compare when it comes to their 40 inch models.
TCL 40 Inch Tv
TCL 40 inch TVs measure about 35.6 inches wide, 20.7 inches tall, and 3.2 inches thick without the stand and with the stand attached, the depth increases to about 8.2 inches.
These TVs weigh around 14.3 pounds without the stand and 16.8 pounds with the stand.
From side to side, a TCL 40 inch tv is around 35.6 inches, that’s about the width of a small dining table.
TCL has thinner bezels compared to other brands.
Samsung 40 Inch Tv
Samsung 40 inch tvs have dimensions of around 36.1 inches wide, 21.0 inches tall, and 2.4 inches thick without the stand.
Samsung makes their TVs slim and sleek, with thinner profiles than some other brands.
Samsung offers different display technologies in their 40 inch range.
Their standard LED models are the most common at this size.
QLED models are available in 40 inch versions but are less common.
LG 40 Inch Tv
LG 40 inch TVs measure about 35.8 inches wide, 20.9 inches tall, and 2.5 inches thick without the stand and with the stand, the depth increases to about 7.8 inches.
These TVs weigh around 17.6 pounds without the stand.
From side to side, an LG 40 inch tv is around 35.8 inches, the width of a standard bathroom vanity.
LG designs have clean, minimal bezels that give their tvs a modern look.
Sony Bravia 40 Inch Tv
Sony Bravia 40 inch TVs measure around 36.3 inches wide, 21.1 inches tall, and 2.6 inches thick without the stand and with the stand attached, the depth increases to about 8.4 inches.
These TVs weigh around 18 pounds without the stand.
From side to side, a Sony Bravia 40 inch tv IS about 36.3 inches, similar to the width of a small desk.
Sony focuses on sound quality, which makes their TVs heavier than others.
Vizio 40 Inch Tv
Vizio 40 inch TVs come in at about 35.5 inches wide, 20.6 inches tall, and 2.8 inches thick without the stand and with the stand attached, the depth increases to about 8.0 inches.
These TVs weigh around 15.2 pounds without the stand.
From side to side, a Vizio 40 inch tv is around 35.5 inches, about the width of a standard three-seat couch cushion.
Vizio positions their 40 inch tvs as budget-friendly options with good picture quality.
How big is a 40 inch tv compared to a person?
Ever wonder how a 40 inch tv is next to you? If you’re around 5’6″ tall, a 40 inch tv screen is about 60% of your height.
For many adults, a 40 inch TV reaches from your knees to above your shoulders.
For the average adult, your wingspan is close to your height. A 40 inch tv is about two-thirds the distance of your outstretched arms.
If you’re sitting on a couch looking at the tv, it takes up a good portion of your field of vision from about 5 to 8 feet away.
40 Inch Tv Compared to Other Common Tv Sizes
Wondering how a 40 inch tv compares to other popular sizes, so, here’s a breakdown:
| TV Size | Width | Height | Screen Area | Best Viewing Distance |
| 32 inch | 27.9″ | 15.7″ | 438 sq in | 4-6.5 feet |
| 40 inch | 34.9″ | 19.6″ | 684 sq in | 5-8.5 feet |
| 43 inch | 37.5″ | 21.1″ | 791 sq in | 5.5-9 feet |
| 50 inch | 43.6″ | 24.5″ | 1068 sq in | 6.5-10.5 feet |
| 55 inch | 47.9″ | 27.0″ | 1293 sq in | 7-11.5 feet |
| 65 inch | 56.7″ | 31.9″ | 1809 sq in | 8-13.5 feet |
Going from a 40 inch to a 43 inch doesn’t make a difference, but going from 40 to 50 can be 9 more inches of width and 400 more square inches.
How far should you sit from a 40 inch TV?
Finding a spot for your couch or chair is important for the best viewing experience.
For a 40 inch tv, the viewing distance is between 5 and 8.5 feet away. sit closer than 5 feet.
If you’ve got a 4K 40 inch tv, you can sit closer between 3.5 and 6.5 feet is perfect.
That’s because 4K has four times the resolution of regular HD, so you can sit close without seeing the pixels.
Try to position your seating so you’re not looking at the tv from more than 30 degrees to either side.
Conclusion
How big is a 40 inch tv has a spot for many homes, not too big, not too small.
Now, you know it measures about 35 inches wide by 20 inches tall, and works great in rooms between 90-150 square feet.
Whether you mount it on a wall or set it on a stand, a 40 inch tv gives you a screen for movies, shows, and games.
Different brands have variations in size, with Sony tending toward the large end and Vizio on the small end.
For the best viewing experience, place your seating 5-8.5 feet from the screen for regular HD, or 3.5-6.5 feet away.
A 40 inch screen means 40 inches measured diagonally.
Take measurements of your space before buying, and you’ll end up with a tv that fits perfectly in your room.
FAQs
A 40 inch tv works fine in small living rooms. If your couch is 5-8 feet from the tv, you’ll get a good viewing experience. For large living rooms or if your seating is farther away, consider going big.
The 40 inch gives you about 56% more screen area than a 32 inch, making a difference in your viewing experience. A 40 inch only needs about 7 inches of width space than a 32 inch, but the screen area makes movies and sports immersive.
A 40 inch tv is perfect for most bedrooms. In a bedroom where you’re watching from bed 5-8 feet away, a 40 inch screen provides an ideal viewing experience. It’s large enough to enjoy movies and shows.
For a 40 inch tv, look for a stand which is at least 36 inches wide for proper support and stability. Go for a stand between 36-42 inches wide. The stand should be rated to hold at least 25 pounds.
