Calc Guru
de
es
fr
pt
Calc Guru
Converters
Light
Lux to Watts
Lux to Watts
Enter illuminance in lux:
lx
Select light source:
-- select light source --
Tungsten incandescent light bulb
Halogen lamp
Fluorescent lamp
LED lamp
Metal halide lamp
High pressure sodium vapor lamp
Low pressure sodium vapor lamp
Mercury vapor lamp
Or enter luminous efficacy in lumens per watt:
lm/W
Enter surface area:
ft²
m²
Or enter spherical radius:
ft
m
Calculate
Reset
Power result in watts:
W