Illuminance Converter
Convert lux, foot-candle & other light units
Illuminance Reference
Common Light Levels:
Moonlight
0.1 - 1 lux
Living room
50 - 200 lux
Office lighting
300 - 500 lux
Overcast day
1,000 lux
Full daylight
10,000 - 25,000 lux
Direct sunlight
32,000 - 100,000 lux
Unit Definitions:
Lux (lx)
1 lumen per square meter
Foot-candle (fc)
1 lumen per square foot
Phot (ph)
10,000 lux
Nox
0.001 lux
Conversion Factors:
1 lux = 0.0929 foot-candles
1 foot-candle = 10.764 lux
1 phot = 10,000 lux
1 nox = 0.001 lux
1 foot-candle = 10.764 lux
1 phot = 10,000 lux
1 nox = 0.001 lux