Lumens to Watts Converter — Free Online Calculator
Convert lumens to watts for LED, CFL, and incandescent bulbs. Find the right wattage equivalent for any brightness.
How to Use This Calculator
Enter the brightness you need in lumens. The calculator shows the wattage required for each bulb type.
The Formula Explained
LED: ~90 lumens/watt. CFL: ~60 lm/W. Incandescent: ~14 lm/W. Halogen: ~20 lm/W.