Convert lux to lumen/square meter

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Vice Versa: lumen/square meter to lux

Lux

The lux (lx) is the SI unit of illuminance, measuring luminous flux per unit area. One lux equals one lumen per square metre. It is used to measure the intensity of light as perceived by the human eye falling on a surface. Typical office lighting is around 300–500 lux, while direct sunlight exceeds 100,000 lux. 


Lumen/Square Meter

The lumen per square metre (lm/m²) is equivalent to the lux, the SI unit of illuminance. It directly expresses the luminous flux incident on a surface per unit area. This is the most fundamental expression of illuminance in the SI system. 


Lux to Lumen/Square Meter conversion table
LuxLumen/Square Meter
11
22
55
1010
2525
5050
100100
500500
10001000

Most common illumination unit conversions
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