How this projector screen dimensions calculator works
For a chosen aspect ratio, width and height are solved from the diagonal using the Pythagorean theorem.
How to use it
- Screen diagonal. Enter the value in in.
- Aspect ratio. Enter the value that applies to your situation.
- Request the result. Add your email, then select “Email & show my result.”
What to do with the number
The calculator reports image dimensions, not the outer frame or masking dimensions of a physical screen. Confirm the projector can produce the chosen aspect ratio and image width at the planned throw distance.
Use this result as a starting point, not a guarantee. Product specifications, site conditions, manufacturer guidance, local codes, taxes, labor, tolerances, and rounding can change the real requirement or cost.