77 Inch TV Dimensions
A 77 inch TV has a screen 67.1 in170.5 cm wide and 37.8 in95.9 cm tall (170.5 cm67.1 in x 95.9 cm37.8 in). The 77 inches is measured diagonally across the glass, corner to corner. The TV itself is always a little bigger than these numbers.
Sized for seating 7.7 ft2.3 m to 10.4 ft3.2 m away, it suits a large living room or home theater. Below you can see it to scale on a wall and check it against your space.
- Width
- 67.1 in 170.5 cm
- Height
- 37.8 in 95.9 cm
- Diagonal
- 77 in 195.6 cm
- Screen area
- 2,533 sq in 16,345 sq cm
How big is a 77 inch TV?
Here it is drawn to scale on a wall, mounted at the usual height, with a standard 80 inch door beside it. The screen covers 2,533 sq in16,345 sq cm, 5% more than a 75 inch screen. The screen is about two doors wide and about half the door's height.
- Diagonal
- 77 in (195.6 cm)
- Width
- 67.1 in170.5 cm · 170.5 cm67.1 in
- Height
- 37.8 in95.9 cm · 95.9 cm37.8 in
- Screen area
- 2,533 sq in16,345 sq cm
- Aspect ratio
- 16:9
- Perimeter
- 209.7 in532.7 cm
- Pixel density at 1080p
- 29 PPI
- Pixel density at 4K
- 57 PPI
- Pixel density at 8K
- 114 PPI
How big is a 77 inch TV with the frame and stand?
The 77 inch figure covers the glass only. Frames, stands and depth vary by model, and they decide whether a TV fits your wall. Here are the real measurements of popular 77 inch TVs, from each maker's spec sheet.
Each model name links to its maker's spec sheet. Prices open on Amazon (affiliate links).
What did the real models show?
The table lists six 77 inch TVs from LG and Samsung. Their bodies are 67.4 in171.2 cm to 67.8 in172.1 cm wide, or 0.3 in0.7 cm to 0.7 in1.7 cm more than the screen itself. With under 1 in (2.5 cm) between them, the frame rarely decides whether one of these fits.
Without its stand, the LG OLED77G5WUA and LG OLED77G6WUA are the thinnest at 1.0 in2.5 cm deep. At the other end, the LG OLED77B5PUA is 2.0 in5.1 cm deep.
Weights run from 50.5 lb22.9 kg for the LG OLED77B5PUA to 74.1 lb33.6 kg for the LG OLED77G5WUA. A mount rated for 75 lb34.0 kg or more covers the weight of every model here.
On their stands, they sit 2.0 in5.1 cm to 2.8 in7.1 cm taller, which matters under a shelf or a window. The LG OLED77B5PUA needs the widest TV unit, with feet 55.2 in140.2 cm apart. The Samsung QN77S90HAEXZA rests on a base only 14.4 in36.6 cm wide, so it can sit on a narrower TV unit.
They use three VESA patterns, from 300 x 200 to 400 x 300 mm. Check the pattern of your exact model before you buy a mount.
Will a 77 inch TV fit?
Enter the width and height of your wall space or TV cabinet opening. We check it against the screen, and the table above shows how much each frame adds.
Using the stand that comes with the TV? Your TV unit must be wider than the stand's feet.
Where should you put a 77 inch TV?
How high to mount it
Center the screen at seated eye height, about 42 in (107 cm) from the floor. For a 77 inch TV that puts the bottom edge at 23.1 in58.7 cm and the top at 60.9 in154.6 cm.
- Bottom edge
- 23.1 in 58.7 cm
- Center
- 42.0 in 106.7 cm
- Top edge
- 60.9 in 154.6 cm
How far to sit from a 77 inch TV
Sit 7.7 ft2.3 m to 10.4 ft3.2 m away. At that distance the screen fills 30 to 40 degrees of your view, the range film and TV engineers recommend.
It feels too close at 5.0 ft1.5 m, immersive at 6.0 ft1.8 m, ideal at 8.0 ft2.4 m to 10.0 ft3.0 m and relaxed at 12.0 ft3.7 m. Not sure of your distance? Use the TV size calculator to work backwards from your seat.
Is 4K worth it on a 77 inch TV?
It depends on where you sit. With 20/20 vision you stop seeing pixels beyond a certain distance. On a 77 inch screen that is 10.0 ft3.1 m for 1080p and 5.0 ft1.5 m for 4K.
Sitting closer than 10.0 ft (3.1 m)? 4K will look clearly sharper than 1080p on a 77 inch screen.
How does a 77 inch TV compare with other sizes?
Going up to 83 inches adds 16% more screen area and 5.2 in13.3 cm of width, and dropping to 75 inches loses 5% and 1.7 in4.4 cm. Area grows with the square of the diagonal, so a few inches feel bigger than they sound. That makes the size up a clear step, and the size down a small step.
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Affiliate linksMore questions about 77 inch TVs
What are the dimensions of a 77 inch TV in cm?
The screen is 170.5 x 95.9 cm, with a diagonal of 195.6 cm. The TV body adds a few centimeters for the frame.
How wide is a 77 inch TV in feet?
The screen is 5 ft 7.1 in wide (5.59 ft). Allow a little more for the frame.
Is a 77 inch TV 77 inches wide?
No. 77 inches is the diagonal, and the screen is 67.1 in wide.
How wide a TV stand do I need for a 77 inch TV?
Choose a stand wider than the TV, which is a little over 67.1 in (170.5 cm) with its frame. If the feet sit near the ends, check the stand width in the model table.
Is 8K worth it on a 77 inch TV?
Only if you sit closer than 5.0 ft (1.5 m). Beyond that, 20/20 vision cannot pick out the pixels of a 4K picture at this size, so 8K looks no sharper.
How much does a 77 inch TV weigh?
The models above weigh 50.5 lb (22.9 kg) to 74.1 lb (33.6 kg) without the stand. The lightest is the LG OLED77B5PUA, and the heaviest is the LG OLED77G5WUA.
Which of these 77 inch TVs is the thinnest?
The LG OLED77G5WUA and LG OLED77G6WUA are the thinnest in the table, at 1.0 in (2.5 cm) deep without the stand. Add the mount's own gap to find how far it will stand off the wall.
What size wall mount fits a 77 inch TV?
The models above use VESA 300 x 200, 300 x 300, 400 x 300 mm. Choose a mount rated for your TV's pattern and weight.
How we measure
Screen width = diagonal x a / sqrt(a^2 + b^2) and height = diagonal x b / sqrt(a^2 + b^2) for an a:b screen. Viewing angle = 2 x arctan(half the screen width / distance). Pixel visibility uses 1 arcminute, the limit of 20/20 vision.
Model sizes come from each maker's published spec sheet, linked in the table. Last checked 2026-10-09.