Lux to lumens calculator

Illuminance in lux (lx) to luminous flux in lumens (lm) calculator and how to calculate.

Enter the illuminance in lux (lx), select area unit type, enter radius in meters for spherical light source or surface area

in square meters for any light source and press the Calculate button to get the luminous flux in lumens (lm):

Enter Illuminance in lux: lx
Select area unit type:  
Enter spherical radius:
Or enter surface area:
Luminous flux result in lumens: lm