100 vs 120 vs 130 on the featured product
Continue to the next decision in the screen-selection process.
Big-screen planning
Projector Screen Size Guide: 100, 120 or 130 Inch?
Choose screen size from the wall inward: usable width, eye line, seating distance, projector throw and brightness all have to fit.
16:9 size comparison
| Diagonal | Approx. width | Approx. height | Approx. area |
|---|---|---|---|
| 100" | 87.2" / 221.4 cm | 49.0" / 124.5 cm | 29.7 sq ft |
| 120" | 104.6" / 265.7 cm | 58.8" / 149.4 cm | 42.7 sq ft |
| 130" | 113.3" / 287.8 cm | 63.7" / 161.9 cm | 50.1 sq ft |
1. Check wall width before viewing distance
Leave room for the physical frame, speakers, trim, switches and access. A nominal 120-inch 16:9 image is already about 8.7 feet wide before the frame is added.
2. Confirm the projector can make that image from its mounting position
Use the projector manufacturer's throw calculator or throw-ratio specification. Screen size is not independent from lens-to-screen distance.
3. Consider brightness per square foot
Moving from 100 to 130 inches increases image area by roughly two-thirds. If the projector output stays the same, the larger image will be dimmer. That matters even more in a room with ambient light.
4. Place the screen for neck comfort
A massive screen mounted too high can be tiring. Prioritize a comfortable eye line from the main seats and make sure the bottom edge still clears furniture and speakers.
Practical rule: do not choose 130 inches because the diagonal sounds better. Choose it because the wall, projector and seats all support it.
The featured ALR screen covers all three sizes
NothingProjector currently lists 100, 120 and 130 inch versions of its standard/long-throw lenticular ALR screen.
Check Size Availability