85-inch vs 100-inch TV
13.1 × 7.4 in33.2 × 18.7 cm
A 100-inch TV is 13.1 in (33.2 cm) wider and 7.4 in (18.7 cm) taller than a 85-inch TV, and has 38% more screen area.
Measurements
| 85-inch | 100-inch | |
|---|---|---|
| Width | 74.08 in188.2 cm (1.88 m) | 87.16 in221.4 cm (2.21 m) |
| Height | 41.67 in105.8 cm (1.06 m) | 49.03 in124.5 cm (1.25 m) |
| Diagonal | 85 in215.9 cm (2.16 m) | 100 in254 cm (2.54 m) |
| TV | Sit between |
|---|---|
| 85-inch | 8 ft 6 in and 11 ft 6 in |
| 100-inch | 10 ft and 13 ft 7 in |
What to know
Diagonal sizes undersell the difference: area grows with the square of the diagonal, so going from 85 to 100 inches (18% longer diagonal) adds 38% 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 100 inches much bigger than 85 inches?
Yes. The 100-inch screen is 13.1 in (33.2 cm) wider and has 38% more area.
Which is better for a small room, 85 or 100 inches?
Use the viewing distance: a 85-inch TV suits about 8 ft 6 in to 11 ft 6 in, a 100-inch TV about 10 ft to 13 ft 7 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.