A Simple Photometrics & Pythagorean Theorem calculator.

- Calculates field diameter (feet or meters)
- Calculates illuminance (footcandles or lux)
- Quickly find the throw distance for a lighting fixture with the Pythagorean Theorem calculator.
- Built-in library of commonly used theatrical lighting fixtures.
- Custom lighting fixture option (useful for fixtures not included with the built-in library).


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What’s New

Version 1.1

This app has been updated by Apple to use the latest Apple signing certificate.

- Added option to use meters
- Easily toggle between feet/footcandles & meters/lux
- Minor bug fixes

Ratings and Reviews

5.0 out of 5
3 Ratings

3 Ratings

*ltggeek* ,

Love this app!!

So simple and useful. Can’t live without it! Great for quick calculations.

galacticfuton ,

good light

10/10 would light again

App Privacy

The developer, Jonathan Mulvaney, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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