Short throw projectors can make larger screens in less space, but we often find that the limiting factor is the max throw available for a projector in a given room.Guests of the theater's "Cinépolis" auditoriums can enjoy a premium theater experience with comfortable seating and access to the gourmet menu and full bar in the lobby area. If your projector has to be mounted in one specific spot, your projector screen size will be determined by the zoom range of your projector, creating an instant projector throw distance formula of sorts. The size of your screen might be limited by your projector. Smaller screens concentrate your projector’s light more (though it’s not really noticeable outside of comparing 100″ to 300″) and if your screen is big enough for the whole crowd to see the full detail as described above then you don’t need to overwhelm with a screen that’s larger than it needs to be. HOW MUCH SCREEN YOU NEED (AND DON’T) IN LARGE VENUESĭon’t push it for the sake of pushing it. How densely you pack the seats into that area would, of course, be up to you. Converting to feet, you would want your audience between 17.5′ and 52.5′ away with optimum seating being about 26′ away. It would not be unreasonable to extended seating back to 105×6=630″. The viewable height on that screen measures 105″, so ideally the audience should sit between 105×2=210″ away and 105×4=420″ away. Here’s an example of how to calculate projector screen size for crowds: imagine you have one of our 9×16 Standing Kits. HOW LARGE OF A CROWD YOUR SCREEN WILL ACCOMMODATE You can then use Pythagorean’s Theorem (a2+b2=c2) to calculate the diagonal size of about 112″. Assuming a 16:9 aspect ratio for a 1080p/4K image, the width would then be 55*16/9 = 97.78″. 165 divided by 3 is 55, and so your screen should be about 55″ tall in that situation. Imagine you’re building a projector screen for your new home theater where you will almost always sit about 165 inches from the screen. How close you can sit is a factor that matters most in compact spaces. FOR OPTIMAL VIEWING AT HOME/ SMALL SPACES: Once your height is determined, the width can be found multiplying it by your chosen aspect ratio. ![]() A great middle ground is to find the distance from the screen to your optimum seat, divide by three, and that’s a good starting point for the height. For the ideal distance from the best seat: As a rule of thumb, any seats greater than about four screen heights away will start to have their experience diminish, and after five or six screen heights away the screen probably appears too small. To calculate how close you can sit, take the height of your screen and multiply it by two, and that’s how close you can get before it becomes uncomfortable and/or overwhelming. Getting the biggest screen possible without overwhelming the audience requires some considerations, like recommended projector screen size for viewing distance. Since we’re all about simplicity, we recommend using height x width for ease of measuring. In fact, one of the most common questions we get is, “How big is a 120 inch projector screen?”. Displays are generally measured in diagonal but in screens over 100″ or so, that can get very confusing. Let’s point out the elephant in the room here, which is how hard it is to measure screen length diagonally. ![]() ![]() BEFORE YOU START: MAKING CALCULATIONS EASIER Make an informed one with considerations like how far away you’ll be sitting or how many people you can fit into a space. We like to follow recommendations made by a few organizations like THX and the Society of Motion Picture and Television Engineers, but don’t be afraid to make your own decision. The best projector screen size (for rooms to large venues) is one of them. ![]() Share this article: facebook-f icon Share this page on LinkedIn Share this page on Twitter Share this page on Email
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