Independent projector-screen research • Affiliate-supported • Updated September 16, 2026
Screen guide

Projector Screen Size Guide: 100 vs 120 vs 130 Inches

Compare 100, 120 and 130-inch 16:9 projector screens by viewing width, seating distance, brightness demand and room fit.

Updated September 16, 2026 • Manufacturer specs checked during build

Going from 100 to 120 or 130 inches feels much larger than the diagonal numbers suggest because screen area grows quickly. The larger image also spreads the projector's light over more area.

Approximate 16:9 dimensions

DiagonalWidthHeightRelative area vs 100 in
100 in87.2 in49.0 in1.00×
120 in104.6 in58.8 in1.44×
130 in113.3 in63.7 in1.69×

Dimensions are approximate for 16:9 viewable area.

Brightness consequence

A 130-inch screen has roughly 69% more area than a 100-inch screen. With the same projector and gain, luminance falls substantially as the image grows. This matters even more with a 0.8-gain screen.

Room consequence

Measure not just the wall but speaker clearance, ceiling height, eye line and throw distance. ALR screens can also impose projector-angle constraints, so the biggest screen that physically fits is not always the best optical fit.

NothingProjector range

The manufacturer currently lists 100–130 inches for its full-size long-throw ALR screen, so these three sizes map directly to its published range.

Test the material before committing to a full-size screen.

The supplied affiliate offer is for the NothingProjector A4 long-throw screen sample.

View the A4 sample ↗