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Illuminance Converter
ConverterConvert between lux, foot-candles, and lumens per square meter.
About This Tool
Lux is lumens per square meter. Office lighting standards typically require 300–500 lux at the work surface. Direct sunlight provides about 100,000 lux; the full moon provides about 0.1 lux. A foot-candle is 1 lumen per square foot.