Lux to footcandles conversion calculator

Enter illuminance in lux: lx
Illuminance result in footcandles: fc

The lux is measure luminous flux per unit area(symbol: lx). It is the SI unit of illuminance and luminous emittance, It is equal to one lumen per square metre.

A foot-candle is illuminance or light intensity widely used, it is "the illuminance cast on a surface by a one-candela source one foot away".

Ev(fc) = Ev(lx) × 0.09290304 = Ev(lx) / 10.76391 provides you helpful and handy calculator resources.