Lighting Calculations: 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 [PRO]. Compare power. Luminous efficacy calculation. Luminance converter [PRO].