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  • #: 233188
  • Price: $4.99 In Apple Store
  • Category: Utilities
  • Updated: 2017-01-24
  • Current Version: 1.5
  • 1.5
  • Size: 0.20 MB
  • Language: English
  • Seller: Michael Kohler
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 2.2.1 or later
  • © 2009 Michael Kohler
  •  Add to Favorite apps



Winner of the 2010 Live Design Projection Product of the Year - Software/App Category

ProjectorCalc is a program for professional lighting technicians and projectionists. Its primary purpose is to determine the size of a projected image given various information about the projector and it's location.

ProjectorCalc allows users to enter details for a projector and its location in relation to a projection surface.

ProjectorCalc will calculate image width, image height, diagonal length, brightness in Nits, total projected area, and how many pixels per inch the projected image will be.

Additionally, ProjectorCalc can give you an estimate of how much keystone distortion will occur by calculating the length of each side of the distorted image.

What's New in Version 1.5

Functions in iOS 9 and Up. Metric Support added. Improved Graphics, Layout and UI. Ground up rewrite for modern iOS devices.

iPhone Screenshots

ProjectorCalc iPhone Screenshot 1
ProjectorCalc iPhone Screenshot 2
ProjectorCalc iPhone Screenshot 3

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Rated 3/5 based on 3 customer reviews.


4/5 stars

Great, but I'd like one more thing...

This is great, but I'd like one more feature please. I'll add a star if an update included the ability to save projector info, so I could have all my projectors peloaded and called up at will.

0/5 stars


Requires that you already know all 3 parameters. If I already have that, why do I need this calculator? Want to be able to enter lens & screen size & get throw distance? Well this won't do it.

5/5 stars

Great Program. Perfect for Theatrical Projectionists.

Just like LightCalc, ProjectorCalc is essential for calculating projector throws and projected image sizes on the fly. In all my tests the results have been spot on. I love how the keystone on the "Calculations" page changes in relation to the input data. It's a simple app that is well worth the price. It's an essential for anyone dealing with projectors.


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The information may be outdated (2017-03-08 20:38:43). For actual information go to iTunes

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