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Projector and home theater calculator

Projector Screen Calculator

Calculate projector screen width, height, area, and viewing distance from diagonal size and aspect ratio.

Calculate screen dimensions

Screen size

87.2 × 49.0 in

100 in diagonal, 16:9 aspect ratio

Area

29.7 sq ft

Throw distance

104.6 in

Viewing distance

8.2–12.3 ft

Visual preview

16:9 screen shape

Scale preview

Projector planning notes

16:9

Best default for streaming, gaming, presentations, and most home theater setups.

21:9

Useful for cinema-style setups, but room width and projector support matter more.

Throw ratio

Throw distance is approximately screen width multiplied by projector throw ratio.