Watts to Lumens Converter

W
lm/W
lm

Converts power in Watts (W) to luminous flux in Lumens (lm). Convert watts (W) to lumens (lm) easily with our free online calculator. Understand how power consumption translates to light output based on lighting efficiency.

 

Watts (W) Light Type Luminous Efficacy (lm/W) Lumens (lm) Approximate
10 W Incandescent 15 150 lm
10 W CFL 60 600 lm
10 W LED 90 900 lm
20 W LED 90 1,800 lm

Published
2025-07-11 00:00:00
Author
Taylor Bennett