Free Illuminance Converter
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Illuminance Converter

Easily Convert Between Different Units of Illuminance Instantly

Convert between illuminance units including lux, footcandle, phot, and candela per square meter. Perfect for lighting design, architectural lighting, photography, and scientific photometry applications.

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Convert Illuminance Units

Enter an illuminance value and select units to convert between different illuminance measurements

How to Convert Illuminance Units

Follow these simple steps to convert between different illuminance measurements

1

Enter Illuminance Value

Input the illuminance value you want to convert in the illuminance value field.

2

Select Units

Choose your source illuminance unit and target unit from the dropdown menus.

3

Get Result

Click convert to see the instant conversion result with precision.

Why Choose Our Illuminance Converter

Professional-grade features for accurate illuminance unit conversions

Instant Conversion

Get immediate conversion results with real-time calculation as you enter values.

Privacy Protected

All conversions performed locally - your illuminance data never leaves your device.

High Precision

Accurate conversions using standard illuminance factors for photometry precision.

Lighting Ready

Supports all common illuminance units used in lighting design and photometry applications.

Mobile Ready

Fully responsive design works perfectly on smartphones, tablets, and desktops.

Always Free

No registration required, no hidden fees - completely free forever.

Common Illuminance Conversions

Quick reference for frequently used illuminance unit conversions

ApplicationLuxFootcandleUsage
Home Lighting100-300 lux9-28 fcResidential spaces
Office Work500 lux46 fcWorkplace standards
Bright Daylight100,000 lux9,290 fcOutdoor conditions

Frequently Asked Questions

Get answers to common questions about illuminance conversion and lighting calculations

1

How accurate is this illuminance converter?

Our illuminance converter uses precise conversion factors and provides highly accurate results for all illuminance units with scientific precision for lighting design and photometry applications.

2

What illuminance units can I convert between?

You can convert between lux, footcandle, phot, candela per square meter, and many other illuminance units with instant calculations for all lighting and photometry applications.

3

How do I convert from lux to footcandle?

Simply select 'Lux (lx)' as your 'from' unit and 'Footcandle (fc)' as your 'to' unit, then enter your illuminance value for instant conversion.

4

Can I use this converter for lighting design and photography?

Yes, this converter supports all common illuminance units used in lighting design, architectural lighting, photography, and scientific photometry with professional accuracy.

5

Is the illuminance conversion data stored anywhere?

No, all conversions are performed locally in your browser. Your illuminance data is completely private and not stored on our servers.

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