49-inch screen dimensions
42.7 × 24.0 inches
108.5 × 61.0 cm · 1085 × 610 mm · 16:9 · Monitor size
Why the diagonal is not enough
Screens are advertised by their diagonal, and a diagonal does not determine width until you also know the shape. The same 49-inch measurement produces a screen 8.0 inches wider at 32:9 than at 4:3. If you are measuring a space, the width is the number that matters.
| Aspect ratio | Width | Height | Screen area |
|---|---|---|---|
| 16:9 — the standard for televisions and most monitors | 42.7 in / 108.5 cm | 24.0 in / 61.0 cm | 1026 in² |
| 16:10 — taller than widescreen, common on laptops and design monitors | 41.6 in / 105.5 cm | 26.0 in / 66.0 cm | 1079 in² |
| 21:9 — the 34-inch class ultrawide, actually 43:18 | 45.2 in / 114.8 cm | 18.9 in / 48.1 cm | 855 in² |
| 4:3 — the pre-widescreen shape, still used by projectors and older panels | 39.2 in / 99.6 cm | 29.4 in / 74.7 cm | 1152 in² |
| 32:9 — two 16:9 panels side by side in one screen | 47.2 in / 119.8 cm | 13.3 in / 33.7 cm | 626 in² |
How it compares by area
A diagonal is a length, so a step up sounds smaller than it is: moving from 43 inches to 49 adds 6.0 inches of diagonal and 30% more picture, and the next size up, 50 inches, is another 4% again.
| Size | Width | Screen area | vs 49-inch |
|---|---|---|---|
| 34 in | 29.6 in | 494 in² | -52% |
| 38 in | 33.1 in | 617 in² | -40% |
| 40 in | 34.9 in | 684 in² | -33% |
| 43 in | 37.5 in | 790 in² | -23% |
| 50 in | 43.6 in | 1068 in² | +4% |
| 55 in | 47.9 in | 1293 in² | +26% |
| 60 in | 52.3 in | 1538 in² | +50% |
| 65 in | 56.7 in | 1805 in² | +76% |
Pixel density at 49-inch
The same resolution is sharp on a small screen and coarse on a large one, because sharpness is pixels per inch and the inches are not in the resolution.
| Resolution | Density at 49-inch | |
|---|---|---|
| Full HD (1920×1080) | 45 PPI | Television distance only |
| QHD (2560×1440) | 60 PPI | Fine across a room, coarse up close |
| 4K UHD (3840×2160) | 90 PPI | Comfortable at desk distance |
| 8K UHD (7680×4320) | 180 PPI | Sharp at desk distance |
Frequently asked questions
How wide is a 49-inch screen?
A 49-inch 16:9 screen is 42.7 inches (108.5 cm) wide and 24.0 inches (61.0 cm) tall. The diagonal alone does not fix the width — a 49-inch 4:3 screen is 39.2 inches wide instead.
What are the dimensions of a 49-inch TV in cm?
108.5 × 61.0 cm for the screen itself at 16:9. The cabinet is larger — usually 1 to 3 cm on each side for a modern set, more if it has a bezel — so measure the product rather than the panel when checking whether it fits a space.
Is a 49-inch screen much bigger than a 43-inch one?
By area, 30% bigger. Screens are sold by diagonal, which understates every step: going up 6.0 inches of diagonal here adds 30% of picture.
What resolution should a 49-inch screen be?
Pixel density decides that: Full HD gives 45 PPI, QHD gives 60 PPI, 4K UHD gives 90 PPI, 8K UHD gives 180 PPI. Below about 80 PPI a screen looks coarse at desk distance but is fine across a room, which is why televisions and monitors of the same size are sold at different resolutions.