"Lighting Calculations" is the best app in the field of lighting, it has lots of calculations that can help you in your work. It can not miss in your smartphone! Main calculations:
• Calculation of total flux, Lighting requirements for interiors, Quantity of luminaires, Luminous efficacy calculation, Power factor correction, Lux meter (compatible only on devices with light sensor), Illuminance on the floor, Energy saving lamp, Photobiological safety of led, Specific power.

Converters:
• 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, Exposure value to Luminance, Illuminance to Exposure value, Exposure value to Illuminance, Luminance converter, Illuminance converter, Kelvin to RGB, RGB/HEX conversion, RGB/CMYK conversion.

Resources:
• Type of lamps, Lamp fittings, Bulb shapes, Table of luminous efficacy, Color temperature, Kruithof curve, Visible spectrum, Fluorescent tubes, Color codes of fluorescent tubes, Typical led characteristics, Power supply for strip led, Led SMD, Unit of measurement, Symbols.