75-inch vs 77-inch TV
1.7 × 1 in4.4 × 2.5 cm
A 77-inch TV is 1.7 in (4.4 cm) wider and 1 in (2.5 cm) taller than a 75-inch TV, and has 5% more screen area.
Measurements
| 75-inch | 77-inch | |
|---|---|---|
| Width | 65.37 in166 cm (1.66 m) | 67.11 in170.5 cm (1.7 m) |
| Height | 36.77 in93.4 cm | 37.75 in95.9 cm |
| Diagonal | 75 in190.5 cm (1.91 m) | 77 in195.6 cm (1.96 m) |
| TV | Sit between |
|---|---|
| 75-inch | 7 ft 6 in and 10 ft 2 in |
| 77-inch | 7 ft 8 in and 10 ft 5 in |
What to know
Diagonal sizes undersell the difference: area grows with the square of the diagonal, so going from 75 to 77 inches (3% longer diagonal) adds 5% more picture.
If your seat is fixed, pick the size whose recommended range includes your viewing distance. Measure from your eyes to the screen, not from the sofa to the wall.
Questions people ask
Is 77 inches much bigger than 75 inches?
Yes. The 77-inch screen is 1.7 in (4.4 cm) wider and has 5% more area.
Which is better for a small room, 75 or 77 inches?
Use the viewing distance: a 75-inch TV suits about 7 ft 6 in to 10 ft 2 in, a 77-inch TV about 7 ft 8 in to 10 ft 5 in.
Related sizes
Sources and method
- Geometry of a 16:9 rectangle (width = diagonal × 16 ÷ √337)
- SMPTE EG-18-1994, viewing angle recommendation (30° minimum)
- THX home theater viewing angle recommendation (40°)
Imperial and metric values are converted with 1 in = 25.4 mm exactly and rounded only for display. Found a mistake? Report it and we will correct the page.