Light Illumination 1 year ago calcgeek com 14 minutes Enter value Select centimeter-candle flame foot-candle lumen/square centimeter lumen/square foot lumen/square meter lux meter-candle nox phot watt/square centimeter (at 555nm) centimeter-candle flame foot-candle lumen/square centimeter lumen/square foot lumen/square meter lux meter-candle nox phot watt/square centimeter(at 555nm) #Illumination #Light