Lux (lx)
The lux (symbol: lx) is the SI unit of illuminance and luminous emittance. It is used in photometry as a measure of the intensity of light, with wavelengths weighted according to the luminosity function, a standardized model of human brightness perception. In English, "lux" is used in both singular and plural.
- Microlux (µlx)1,000,000
- Millilux (mlx)1,000
- Lux (lx)1
- Kilolux (klx)1×10⁻³
- Lumen per square metre (lm/m²)1
- Lumen per square centimetre (lm/cm²)1×10⁻⁴
- Foot-candle (fc)0.09
- Phot (ph)1×10⁻⁴
- Nox1,000