Fundamental for those who want to correctly calculate the lighting of an environment. Using this app, with its diagrams and calculations, lighting technology has no more secrets! Calculation of total flux [PRO] Quantity of luminaires Luminous efficacy calculation Color codes of fluorescent tubes Power factor correction Power supply for strip led Illuminance on the surface [PRO] Energy saving lamp Photobiological safety of led Specific power [PRO] 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 Luminance to Exposure value [PRO] Exposure value to Luminance [PRO] Illuminance to Exposure value [PRO] Exposure value to Illuminance [PRO] Luminance converter [PRO] Illuminance converter [PRO] Kelvin to RGB RGB/HEX conversion RGB/CMYK conversion Lighting requirements for interiors Types of lamp [PRO] Fittings of lamp [PRO] Bulb shapes Table of luminous efficacy Color temperature Kruithof curve Visible spectrum Fluorescent tubes [PRO] Typical led characteristics [PRO] SMD Led Unit of measurement Symbols EU energy label Unified Glare Rating Color Rendering Index Formulary [PRO]