40 vs 43 inch TV
A 43" TV is 2.6" wider and 1.5" taller than a 40" TV, with 16% more screen area. That is a noticeable step up (16% more screen) without changing how the room feels.
| 40" | 43" | Difference | |
|---|---|---|---|
| Screen width | 34.9" | 37.5" | +2.6" |
| Screen height | 19.6" | 21.1" | +1.5" |
| Screen area | 684 sq in | 790 sq in | +16% |
| Immersive seat (THX) | 4 ft | 4 ft 3 in | +0 ft 4 in |
| Relaxed seat (SMPTE) | 5 ft 5 in | 5 ft 10 in | +0 ft 5 in |
Which to pick for your seating distance
| You sit | Better fit |
|---|---|
| 3 ft | Both feel large; 40" is closer to ideal |
| 4 ft | 40" |
| 5 ft | Either |
| 6 ft | 43" (or larger) |
About each size
40": One of the smallest sizes where 4K is widely sold, though plenty of 40-inch models are still Full HD. Popular for bedrooms and small lounges.
43": The budget 4K sweet spot: nearly every brand sells a 43-inch 4K model, and it fits most dressers and media units.
Questions
How much bigger is a 43 inch TV than a 40 inch?
The 43" screen is 2.6" wider and 1.5" taller, with 16% more area.
Should I get a 40 or 43 inch TV for 5 feet?
Either works from 5 ft; the 43" feels more immersive, the 40" more relaxed.