Projector throw distance

Enter your projector's throw ratio and how far it is from the screen. Get the screen size + how far the audience can be and still read the content.

Throw distance (feet)

Throw ratio (from projector spec sheet)

Typical: 1.2 short-throw · 1.5 standard · 2.0 long-throw

Aspect ratio

Result

Image size: 13.3' × 7.5'
Min readable viewing distance: 11.3'
Max comfortable viewing distance: 60'

Estimate based on standard projector geometry and SMPTE viewing-distance guidance. Verify with your projector's spec sheet and the room's actual sightlines.

Source: SMPTE ST 196M viewing distance + projector throw-ratio math

This is one small slice of what a Cueline plan calculates automatically.

Plan the whole event