VideoCalc

I like the app. It would be helpful, within the luminance tab, to add an option for square footage of screen, that would calculate lumens of projector needed based on the square footage of the screen using industry standard variable based on room lighting.

This is the quickest way to get a screen dimension based on aspect ratio that I have found. If you need quick dims in the field then this is a great app to have in hand.

This app is perfect for calculating how well a projector will preform or how bright a projector will need to be to work in a room. I was using an Excel spreadsheet in quick office but is was a pain to use. Thank you for making this app.