80 Inch TV Viewing Distance
Ideal viewing distance for a 80 inch 4K TV: 3.0-4.3 m (10-14 ft) by THX. Best for: home cinema or very large living room. Table, dimensions and calculator.
The ideal viewing distance for a 80 inch 4K TV is 3 to 4.5 m (9.8-14.8 ft). For Full HD 1080p: sit 3.5 to 5.2 m from the screen. Based on THX and SMPTE professional standards.
Ideal viewing distance for a 80 inch TV
An 80 inch TV sits at the boundary between large living room and home cinema. Screen center at 111 cm from the floor is ideal. You need at least 197 cm of wall width. At this weight (40-60 kg) professional installation is recommended.
| Resolution | Minimum | Recommended (THX) | Maximum (SMPTE) |
|---|---|---|---|
| 4K Ultra HD | 3 m (9.8 ft) | 3.0-4.3 m (10-14 ft) | 4.5 m (14.8 ft) |
| Full HD 1080p | 3.5 m (11.3 ft) | 4.1 m | 5.2 m (17 ft) |
4K advantage: 17% shorter minimum distance than Full HD. 80 inch 4K: 55 PPI vs 31 PPI for HD.
80 inch TV: dimensions and compatibility
Comparison: vs 85 inches: only 13% less picture - choose 85 if the wall allows.
THX, SMPTE and ITU-R explained
THX (36 degrees): screen width 177 cm / tan(18 degrees = 0.3249) = 5.4 m = recommended distance 3.0-4.3 m. SMPTE (30 degrees) gives maximum 4.5 m. ITU-R BT.2022 (1.5x screen height) gives minimum 1.5 m.
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