# What Is a LUX?

The term lux refers to a unit of illumination that is normally equal to 1 lumen per square meter. This term can also be used to refer to a piece of wool that is used to make certain fabrics.
lux
[luhks]
NOUN [PLURAL LU·CES, OPTICS.]
1.
a unit of illumination, equivalent to 0.0929 foot-candle and equal to the illumination produced by luminous flux of one lumen falling perpendicularly on a surface one meter square. Symbol: lx
Source: Dictionary.com
A LUX is a unit of measurement that is used to measure the intensity of light as determined by the human eye. It is based on a unit of measurement that is known as a lumen, which is also based on another measurement unit known as a candela.
Lux is the SI unit of measurement of photo intensity per unit area. One lux is defined as 1 lm/ (squared m), where lm is the unit of luminous flux measured in lumen and m is the unit of length. In other words 1 lx is equal to 1 lm per unit area.
Lux is the measuring of luminous power for an area. It is equal to one lumen for a meter. This is used in measuring the intensity of light that the eye can see.
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