Lumens to Watts Converter

All misc tools

Convert lumens to watts for different bulb types (LED, CFL, incandescent).

Brightness

Lumens

Technology

Efficacy: 90 lumens per watt

Power Estimate

Watts

8.9W

Efficiency Comparison

LED8.9W

CFL13.3W

Halogen40.0W

Incandescent53.3W

Moving from Incandescent to LED for this brightness saves 44.4W of power.

About this calculator

Overview

Lumens measure light output; watts measure power consumption. LED efficiency: 80-100 lumens/watt. Conversion helps choose equivalent brightness when switching bulb types.

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Pro Tips

LED: 80-100 lumens/watt typical.
CFL: 50-70 lumens/watt.
Incandescent: 10-17 lumens/watt.
800 lumens ≈ 60W incandescent ≈ 9W LED.

Fun Facts

Formula: Watts = Lumens / Efficacy (lumens per watt)