LG LG 84UB9800: 84" Class (84" Diagonal) 2160p Smart w/ webOS 3D Ultra HD 4K TV
Calculate the ideal viewing distance and room setup for your LG LG 84UB9800: 84" Class (84" Diagonal) 2160p Smart w/ webOS 3D Ultra HD 4K TV 84" LED TV using real manufacturer dimensions.
Viewing Distance Calculator
Viewing Distance
Display
Balanced for all content types
Recommended TV Size
75"
Best for 9.9 ft viewing at 4K (mixed)
Minimum Size
55"
Acceptable minimum
Maximum Size
98"
Acceptable maximum
75" TV Dimensions
65.4"
Width
36.8"
Height
5.4ft
Width (ft)
Viewing Angle Analysis
Meets SMPTE 30° standard for professional broadcast viewing.
Room Preview
All Standard Sizes at 9.9 ft (4K)
| Size | Width | Height | Angle |
|---|---|---|---|
| 32" | 27.9" | 15.7" | 13.4° |
| 40" | 34.9" | 19.6" | 16.7° |
| 43" | 37.5" | 21.1" | 17.9° |
| 50" | 43.6" | 24.5" | 20.8° |
| 55" | 47.9" | 27" | 22.8° |
| 65" | 56.7" | 31.9" | 26.8° |
| 75"REC | 65.4" | 36.8" | 30.8° |
| 77" | 67.1" | 37.8" | 31.5° |
| 83" | 72.3" | 40.7" | 33.9° |
| 85" | 74.1" | 41.7" | 34.6° |
| 86" | 75" | 42.2" | 35° |
| 98" | 85.4" | 48.1" | 39.5° |
Specifications
Resolution
4K
Panel Type
LED
Recommended Viewing Distances
| Standard | Distance | Note |
|---|---|---|
| Minimum (THX Immersive) | 8.4 ft | Closest for a cinematic 40° viewing angle |
| Optimal | 9.9 ft | Sweet spot balancing immersion and comfort |
| Maximum (SMPTE Broadcast) | 11.4 ft | Farthest for comfortable 30° viewing angle |
Related Models
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
LG 79UB9800: 79" Class (78.5" Diagonal) 2160p Smart w/ webOS 3D Ultra HD 4K TV
Optimal distance: 9.3 ft
OLED TVs
Optimal distance: 9.9 ft
86 inch Class LG UQ7590 4K UHD Smart TV 86UQ7590PUD
Optimal distance: 10.1 ft
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