Illuminance Converter — Free Online Illuminance Unit Conversion

Illuminance conversion is an important measurement task across many fields and industries. Our free online illuminance converter supports 4 different units and provides instant, accurate results for all your conversion needs.

What is a Illuminance Converter?

Illuminance measurement is used in various scientific, engineering, and everyday applications. Our converter supports all standard illuminance units including Lux, Foot-candle, Phot, Nox, and more, making it easy to convert between any two units in seconds.

Common Uses for Illuminance Conversion

  • Engineering & Science — Precise illuminance conversions for technical calculations and research
  • International Communication — Converting between different illuminance systems used worldwide
  • Education — Learning and practicing illuminance unit conversions for coursework
  • Professional Work — Quick illuminance conversions for industry-specific applications

Popular Illuminance Conversions

Lux to Foot-candleLux to PhotFoot-candle to LuxFoot-candle to PhotPhot to LuxPhot to Foot-candleNox to LuxNox to Foot-candle

All Illuminance Units

  • Lux (lx)
  • Foot-candle (fc)
  • Phot (ph)
  • Nox (nx)

Tips for Illuminance Conversion

  • Our converter supports 4 different illuminance units
  • All calculations are done locally in your browser for maximum speed
  • Results are displayed with high precision for professional use

Frequently Asked Questions

What is a illuminance converter?

A illuminance converter is a tool that allows you to convert between different illuminance units instantly. It supports conversions between 4 different units including Lux, Foot-candle, Phot, Nox, and more.

How do I convert illuminance units?

To convert illuminance units, simply enter the value you want to convert, select the source unit (from), and select the target unit (to). The converter will instantly calculate and display the result with high precision.

What illuminance units are available for conversion?

Our illuminance converter supports 4 units including: Lux (lx), Foot-candle (fc), Phot (ph), Nox (nx).

Is this illuminance converter accurate?

Yes, our illuminance converter uses precise conversion factors and formulas to ensure accurate results. All calculations are performed instantly in your browser for fast, reliable conversions.

Can I convert illuminance on mobile devices?

Absolutely! Our illuminance converter is fully responsive and works on all devices including smartphones, tablets, and desktop computers. No app download required.

What is the difference between lux and foot-candles?

1 foot-candle = 10.764 lux. Lux is the SI unit while foot-candles are used in the US. Office lighting typically requires 300-500 lux (28-46 fc).

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