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What Size TV for 18 feet? — Viewing Distance Guide
98–98"
Recommended TV size for a 18 feet viewing distance
📐 Viewing Distance Calculator
| Immersive pick (THX 40°) | 180" → 98" class |
| Mixed-use pick (SMPTE 30°) | 135" → 98" class |
| Distance | 18 feet · 549 cm |
| Resolution to buy | 4K still ideal; 1080p acceptable this far back |
FAQ
What size TV is best for 18 feet?
At 18 feet, an immersive THX setup wants about a 180" screen (closest common size 98"). For a more relaxed view, around 135" (98" class) is comfortable.
Is a 65 inch TV good for 18 feet?
A 65" TV is on the smaller side — fine, but you could go bigger at 18 feet.
Can I sit too close to a 4K TV?
With 4K you almost never sit too close — the pixels are invisible. The main limit is eye comfort and being able to take in the whole screen.
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Figures are calculated guides based on a 16:9 screen and common viewing-angle standards. Your ideal setup also depends on content, eyesight and personal taste.