Lighting Calculations

All calculations concerning the lighting

Calculation of total flux [PRO], Lighting requirements for interiors, Quantity of luminaires.

Lumens to Lux, Lux to Lumens, Lumens to Watts, Watts to Lumens, Lux to Watts, Watts to Lux, Lumens to Candela, Candela to Lumens, Candela to Lux, Lux to Candela, Lux / Foot-Candle, Compare power.

Luminous efficacy calculation, Luminance converter [PRO], Illuminance converter [PRO].

Type of lamps [PRO], Lamp fittings [PRO], Bulb shapes, Table luminous efficacy, Color temperature, Kruithof curve, Visible spectrum, Kelvin to RGB, RGB/HEX conversion, RGB/CMYK conversion, Fluorescent tubes [PRO], Color codes of fluorescent tubes [PRO], Power factor correction [PRO], Lux meter [PRO] (compatible only on devices with light sensor).

Typical led characteristics [PRO], Power supply for strip led, Led SMD, Illuminance on the floor [PRO], Energy saving lamp, Photobiological safety of led [PRO], Specific power [PRO], Unit of measurement, Symbols, Formulary [PRO].

Watch the demonstration of the “Lighting Calculations” application to see how it works!


  • Arabic (Youssef Mimouni, Abdusalam Qaissia, zawazaid)
  • Bosnian (Ferid)
  • Bulgarian (Hristo Ganchev, Yassine, Ivan Radev)
  • Croatian (Goran Arabadzic)
  • Czech (Skipy)
  • English (Valentina Ragona)
  • Français (Ettore Gallina)
  • German (Eindringling, JoHa, Andreas, Lktrsch)
  • Greek (Tasos Pergantis)
  • Indonesian (Putra)
  • Italiano (Ettore Gallina)
  • Latvian (Reegs)
  • Lithuanian (Martynas Patinskas)
  • Magyar (Tamas Fegyveres, Sandor Marosi)
  • Persian (Behnam Lashgari TJ., Sajjad Asadbeygi)
  • Polish (drzordz, Adi Stiller)
  • Portuguese (BR) (Fraga Junior, Matheusiin Villela, Valéria)
  • Portuguese (PT) (Leandro Sousa)
  • Romanian (Silvian Ionescu)
  • Russian (Djek.Energetik, GudWin, Segida, Murtozakul, a1_teleport)
  • Serbian (Latin) (Sasa Fisic, Vladimir Cvijovic)
  • Simplified Chinese (Min Li Lim, Tian Hongpeng)
  • Spanish (Gameriven, Valentina Ragona)
  • Turkish (Bekir Aydogdu)
  • Vietnamese (Nguyen Duy Trung)

Translate Lighting Calculations

Do you want to translate this Android or iOS app into another language? Update existing languages or create a new translation: download the translation file, translate it, and send it to us.

Beta version

Do you want to become a beta tester of "Lighting Calculations" for Android?

Enter the test program. If a beta version is available, your application will automatically update after a few hours. Warning: beta versions may be unstable and contain some bugs. Please contact if corrections are needed.

Lighting Calculations PRO Key

Icona Calcoli Illuminotecnici Pro Key

This is the unlock key to transform the FREE version of “Lighting Calculations” to the PRO version.
This application does not work on its own. Before you buy this app, you will need to install the main app, “Lighting Calculations”.


Step 1: Install the “Lighting Calculations FREE” app.
Step 2: Now, install this Pro Key to enable all the functions. (Kindly do not remove the free version of the app).