Throw distance
How far for a 100-inch screen?
A 100-inch 16:9 screen is 87″ wide. Throw distance is that width times the projector’s throw ratio — here it is for every projector.
Throw distance
For a 100-inch screen, a standard-throw projector sits about 10.9 ft back, a short-throw about 4.4 ft, and an ultra-short-throw projector under 2.5 ft.
Throw distance for a 100-inch screen, by projector
The formula
Distance = image width × throw ratio. A 100-inch 16:9 image is 87″ wide, so just multiply that width by your projector’s throw ratio.
Frequently asked questions
A typical standard-throw projector sits about 10.9 ft from a 100-inch screen; the exact figure is its throw ratio times the screen width.
Want a different screen size? Use the calculator to get the exact distance.
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