How wide is a 40 inch TV?

The active area of a 40 inch TV is 88.6 cm wide and 49.8 cm tall — 34.9 in by 19.6 in. With bezels the body is about 89.8 cm wide, which is the figure to measure your space against.

How tall is a 40 inch TV on its stand?

About 56.6 cm from the surface it stands on to the top of the panel: 51.6 cm of body on 5 cm of stand. Both are estimates from the size band — check the model’s spec sheet.

Will a 40 inch TV fit a 200 cm × 120 cm space?

Yes. Standard wall is 200 cm × 120 cm, and a 40 inch TV uses 45 % of its width, leaving 55.1 cm spare.

Dimensions

40 inch TV dimensions

A 40 inch TV measures 88.6 cm × 49.8 cm of active area — 34.9 in by 19.6 in — and about 89.8 cm wide including its bezels. Below it is drawn to scale on a 200 cm wall, measured against real spaces, and compared with the sizes either side of it.

Try it on your wall

On a 200 cm wall

Exact size

Active area, body size and height on the stand, by aspect ratio
Aspect	Active area	Active area (in)	Body, approx.	Height on its stand
16:9	88.6 cm × 49.8 cm	34.9 in × 19.6 in	89.8 cm × 51.6 cm	56.6 cm

Active areas are exact for the aspect ratio. Body sizes and stand heights are approximate — check the model’s spec sheet.

Does it fit your wall or your unit?

Whether this size fits each standard space, and by how much
Space	Size	Fits?	Detail
Narrow alcove	140 cm × 90 cm	Fits	64% of the width, 25.1 cm spare
Small wall	160 cm × 100 cm	Fits	56% of the width, 35.1 cm spare
Standard wall	200 cm × 120 cm	Fits	45% of the width, 55.1 cm spare
Wide wall	260 cm × 140 cm	Fits	35% of the width, 85.1 cm spare
Compact unit	120 cm wide	Fits	75% of the width, 15.1 cm spare
Standard unit	150 cm wide	Fits	60% of the width, 30.1 cm spare
Wide unit	180 cm wide	Fits	50% of the width, 45.1 cm spare
Low sideboard	200 cm wide	Fits	45% of the width, 55.1 cm spare

How far back to sit

Comfortable viewing distance for a 40 inch television, by what it is used for
Used for	Sit	In feet	Field of view
General TV	1.4 m – 1.8 m	4 ft 9 in – 5 ft 10 in	28–34°
Sports	1.4 m – 1.7 m	4 ft 6 in – 5 ft 5 in	30–36°
Gaming	1.3 m – 1.7 m	4 ft 3 in – 5 ft 5 in	30–38°
Movies	1.2 m – 1.4 m	4 ft 0 in – 4 ft 9 in	34–40°
Home cinema	1.1 m – 1.4 m	3 ft 6 in – 4 ft 6 in	36–45°

Measured from your eyes to the face of the screen, for a 40 inch 16:9 television 88.6 cm wide. A wider target field of view means sitting closer, not further away.

The sizes either side

The sizes either side, and how much bigger or smaller they are
Size	Active width	Width	Screen area
32"	70.8 cm	−20%	−36%
43"	95.2 cm	+8%	+16%

Compared with a 40" 16:9 panel. Area grows roughly as the square of the diagonal, which is why a step up is always a bigger jump than it sounds.

Common questions

How wide is a 40 inch TV?: The active area of a 40 inch TV is 88.6 cm wide and 49.8 cm tall — 34.9 in by 19.6 in. With bezels the body is about 89.8 cm wide, which is the figure to measure your space against.
How tall is a 40 inch TV on its stand?: About 56.6 cm from the surface it stands on to the top of the panel: 51.6 cm of body on 5 cm of stand. Both are estimates from the size band — check the model’s spec sheet.
Will a 40 inch TV fit a 200 cm × 120 cm space?: Yes. Standard wall is 200 cm × 120 cm, and a 40 inch TV uses 45 % of its width, leaving 55.1 cm spare.