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Watts to Lux Calculator
Convert electrical power to illuminance
📖 Power to Illuminance
The Power to Illuminance estimates the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. It multiplies several factors: star formation rate, fraction with planets, habitable planets per star, etc.
📊 Result
💡 Tips & Information
- Lux measures illuminance (light per unit area)
- Formula: Lux = (Power × Efficacy) / (4π × Distance²)
- Typical LED: 80-150 lm/W
- Incandescent: 10-20 lm/W
- 1 lux = 1 lumen per square meter