Will everyone
in the room actually
see the screen?
Answer two questions and we'll size the screen for you, so the person in the back row reads it as clearly as the person up front. No spec sheet required.
The sizing tool our producers run on every show, now shared publicly.
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Estimates assume 500×500mm cabinets and a 16:9-class processor. Real builds depend on the panel line, processing, brightness target and rigging. That's our job.
The viewing-distance ratio
Production designers size screens off one number: how far back the last viewer sits, measured in screen-heights. This is the field shorthand for AVIXA's DISCAS standard, the AV industry's formal method for sizing a display to its audience, which works the same idea in more detail. The more detail on screen, the closer that back row has to be.
Spreadsheets, fine print and CAD. The back row sits within 4× the screen height so small type stays legible.
The everyday meeting default. Decks, charts, bullet points. Comfortable within 6× the screen height.
Passive viewing, film, photography, hero graphics. Reads cleanly out to 8× the screen height.
A few things this quick tool leaves to a site visit: ceiling height and sightlines, ambient light and screen brightness, projection throw vs. LED, and rigging. Use the number as a confident starting point, not the final drawing.
Screen sizing, answered
What size screen do I need for an event?
Size the screen off your farthest seat. As a rule of thumb the last row should sit no more than 4× the screen height away for detailed content, 6× for standard slides, and 8× for video. So a back row 40 ft away showing standard slides needs a screen about 6.7 ft tall, roughly 12 ft wide in 16:9.
How far away can people sit from a screen?
It depends on the screen height and what's on it. Multiply the screen height by 4 (detailed content), 6 (standard slides) or 8 (video) for the maximum comfortable distance. A 6 ft-tall screen reads well to about 36 ft back for slides, or 48 ft for video.
What size TV do I need for a conference room?
Match the TV to the farthest viewer. For standard slides a 55″ TV suits rooms up to ~12 to 13 ft deep, 75″ up to ~17 ft, 86″ up to ~19 ft, and 98″ up to ~22 ft. Past roughly a 110″ panel you move to an LED wall or projection.
When do I need an LED wall instead of a TV?
When the screen you need is bigger than the largest single flat panel, around 98 to 110″. Large rooms, long throw distances, detailed content, or high ambient light push you past a single TV into an LED video wall or projection.
What is the 4/6/8 viewing-distance rule?
It's the AV industry's quick way to size a screen by how far back the last viewer sits, in screen heights: within 4× the height for detailed/analytical content, 6× for general decision-making content (standard slides), and 8× for passive viewing (video, big graphics). It's the quick version of AVIXA's DISCAS standard (the AV industry's display image size method for 2D content), which calculates the same relationship more precisely.
How do I choose LED wall pixel pitch?
Pixel pitch (the gap between LEDs, in mm) sets how close people can sit before they see the grid. Rough rule: minimum comfortable distance in metres ≈ the pitch in mm. A front row ~2.5 m away wants ~2.6 mm pitch or finer; bigger rooms can use 3.9 to 4.8 mm. Finer pitch = higher resolution and cost.
Need someone to handle the screen,
and everything around it?
For corporate events, conferences, keynotes, all-hands and broadcasts. Not home theaters. If you're producing an event and want the screen, cameras, audio, lighting and a clean stream owned end to end, tell us the details and we'll scope it, quote it line-by-line, and run it.
Think of these numbers as a solid starting point, not a guarantee. They're good-faith estimates from standard viewing-distance rules of thumb. The real answer shifts with your venue, sightlines, ceiling height, ambient light and content, so treat it as planning guidance rather than a final drawing, and confirm the specifics before you buy, rent or build. Planning a specific room? We're happy to help. That's our job.