Illuminance Converter
Convert between lux and foot-candle
Quick Converter
All Unit Conversions
Conversion Reference
1 Lux (lx) equals:
1 Foot-candle (ft-cd) equals:
Common Illuminance Values:
Photography Guide:
When to Use Illuminance Converter
Lighting Design
Convert between lux and foot-candle for architectural lighting calculations and design specifications
Photography
Convert illuminance units for camera settings, studio lighting, and outdoor photography planning
Architecture
Convert lighting requirements between metric and imperial systems for international projects
Industrial Lighting
Convert illuminance measurements for factory lighting, warehouse illumination, and safety lighting
Residential Lighting
Convert lighting levels for home lighting design, room illumination, and energy efficiency calculations
Education & Research
Learn illuminance relationships and practice conversions for lighting engineering courses
Frequently Asked Questions
What is an illuminance converter?
An illuminance converter is a tool that converts illuminance measurements between different units. Our converter supports conversions between lux (lx) and foot-candle (ft-cd), the two most common illuminance measurement systems. It's essential for lighting design, photography, and architectural lighting calculations.
How do I convert lux to foot-candle?
To convert lux (lx) to foot-candle (ft-cd): multiply by 0.092903. This is because 1 lx = 0.092903 ft-cd. Our converter does this automatically - just enter the lux value, select the units, and get instant results with full precision. This is useful for lighting design and photography applications.
Is this illuminance converter free?
Yes, our illuminance converter is completely free to use with no registration required. You can convert unlimited illuminance values between all supported units without any cost. There are no ads, hidden fees, or usage limits.
What illuminance units are supported?
Our converter supports 2 illuminance units: lux (lx) and foot-candle (ft-cd). These units cover most practical illuminance measurement needs for lighting design, photography, and architectural applications.
What is the difference between lux and foot-candle?
Both measure illuminance, but lux (lx) is the metric unit while foot-candle (ft-cd) is the imperial unit. 1 lx = 0.092903 ft-cd. Lux is used worldwide in lighting design and photography, while foot-candle is primarily used in the United States for architectural lighting.
How do I convert foot-candle to lux?
To convert foot-candle (ft-cd) to lux (lx): multiply by 10.76391. For example, 1 ft-cd = 10.76391 lx. Our converter handles this conversion automatically and shows the relationship clearly. This is useful for international lighting projects and photography settings.
How accurate are the conversions?
Our illuminance converter provides high-precision conversions using exact conversion factors (1 lx = 0.092903 ft-cd). Results are displayed with up to 10 decimal places for scientific accuracy. All conversions use standardized factors based on international lighting standards.
Can I convert between all units directly?
Yes! Our converter allows direct conversion between any two supported units. Whether you need to convert lx to ft-cd or ft-cd to lx, simply select your input and output units and the tool calculates the accurate conversion instantly.
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