Lux → Footcandle
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Lux → Footcandle converter translates illuminance units between metric (lux) and imperial (footcandle) systems. Lux is the SI unit for luminous flux per area, while footcandle is widely used in North America. The calculation divides lux values by 10.764, reflecting the area conversion between square meters and square feet.
This tool is essential for lighting design, architectural planning, or comparing equipment specifications across regions. For instance, when evaluating international LED lighting standards or adjusting ambient lighting in commercial spaces.
Note: Confusing square meters (lux) with square feet (footcandle) can lead to errors. Always confirm the measurement context, especially in precision-critical applications like medical facilities or photography studios.
Frequently asked questions
Why is the conversion divided by 10.764?
Because 1 footcandle equals 1 lux multiplied by the square foot to square meter ratio (≈10.764).
How to use this converter?
Enter your lux value and click 'convert'. The tool will display footcandle results instantly.
When is this conversion needed?
For international projects, equipment manuals, or when comparing lighting specs across regions.
Can I reverse the conversion?
Yes. Multiply footcandle values by 10.764 to get lux.