Illuminance Converter

Illuminance Measure

About the Illuminance Converter Tool

This tool allows you to convert between various illuminance units commonly used around the world.

Illuminance Units:

  • Lux (lx): The SI unit of illuminance.
  • Foot-candles (ft-cd): A unit of illuminance used in the United States.
  • Lumen per square meter (lm/m²): Another unit of illuminance.
  • Lumen per square centimeter (lm/cm²): A smaller unit of illuminance.
  • Phot (ph): A larger unit of illuminance.
  • Nox (nx): A very small unit of illuminance.
  • Candela per square meter (cd/m²): A unit used in luminance measurements.
  • Lambert (L): A unit used in photometry.
  • Millilambert (mL): A smaller unit of Lambert.
  • Microlambert (µL): An even smaller unit of Lambert.

Benefits of this Tool:

  • User-friendly, fast, and accurate.
  • Supports a wide range of illuminance units.
  • Provides real-time conversion results.

How to Use:

  1. Select the source illuminance unit.
  2. Select the target illuminance unit.
  3. Enter the value in the source unit field.
  4. The converted value will appear in the target unit field.


  • Q: Can I enter a decimal value?
    A: Yes, you can enter both integer and decimal values.
  • Q: What if I get an error?
    A: Ensure that you have entered a valid number and selected appropriate units.

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