LG LG 79UB9800: 79" Class (78.5" Diagonal) 2160p Smart w/ webOS 3D Ultra HD 4K TV
Calculate the ideal viewing distance and room setup for your LG LG 79UB9800: 79" Class (78.5" Diagonal) 2160p Smart w/ webOS 3D Ultra HD 4K TV 79" LED TV using real manufacturer dimensions.
Viewing Distance Calculator
Viewing Distance
Display
Balanced for all content types
Recommended TV Size
65"
Best for 9.3 ft viewing at 4K (mixed)
Minimum Size
55"
Acceptable minimum
Maximum Size
86"
Acceptable maximum
65" TV Dimensions
56.7"
Width
31.9"
Height
4.7ft
Width (ft)
Viewing Angle Analysis
Good for casual viewing. Consider a larger TV for more immersion.
Room Preview
All Standard Sizes at 9.3 ft (4K)
| Size | Width | Height | Angle |
|---|---|---|---|
| 32" | 27.9" | 15.7" | 14.2° |
| 40" | 34.9" | 19.6" | 17.8° |
| 43" | 37.5" | 21.1" | 19.1° |
| 50" | 43.6" | 24.5" | 22.1° |
| 55" | 47.9" | 27" | 24.2° |
| 65"REC | 56.7" | 31.9" | 28.5° |
| 75" | 65.4" | 36.8" | 32.6° |
| 77" | 67.1" | 37.8" | 33.5° |
| 83" | 72.3" | 40.7" | 35.9° |
| 85" | 74.1" | 41.7" | 36.7° |
| 86" | 75" | 42.2" | 37.1° |
| 98" | 85.4" | 48.1" | 41.9° |
Specifications
Resolution
4K
Panel Type
LED
Recommended Viewing Distances
| Standard | Distance | Note |
|---|---|---|
| Minimum (THX Immersive) | 7.9 ft | Closest for a cinematic 40° viewing angle |
| Optimal | 9.3 ft | Sweet spot balancing immersion and comfort |
| Maximum (SMPTE Broadcast) | 10.7 ft | Farthest for comfortable 30° viewing angle |
Related Models
LG 70LB7100: 70" Class (69.5" Diagonal) 1080p Smart w/ webOS 3D LED TV
Optimal distance: 8.2 ft
LG 72LM9500: 72'' Class Cinema 3D 1080p Full LED TV with Smart TV (72.0'' diagonal)
Optimal distance: 8.5 ft
C4 OLED evo 4K Smart TV
Optimal distance: 9.6 ft
LG 77EG9700: 77" Class (76.7" Diag) Curved OLED 4K Smart TV
Optimal distance: 9.1 ft
OLED TVs
Optimal distance: 9.9 ft
LG 84UB9800: 84" Class (84" Diagonal) 2160p Smart w/ webOS 3D Ultra HD 4K TV
Optimal distance: 9.9 ft
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