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. Select “Show my result.” No account or email is required.
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.
Planning estimate
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.
