Illumination Converter
Convert between lux, foot-candles, lumens per square meter, and more
How to Use
1
Enter an illumination value in any input field
2
All other units update automatically in real-time
3
Essential for lighting design and photography
Conversion Formulas
lx → fc: fc = lx × 0.0929
lx → ph: ph = lx ÷ 10000
fc → lx: lx = fc ÷ 0.0929
ph → lx: lx = ph × 10000
FAQ
What is illumination?
Illumination is the measure of light intensity on a surface. It's measured in lux (lx), which equals lumens per square meter (lm/m²).
What's the difference between lux and foot-candle?
Lux is the SI unit (lm/m²), while foot-candle is the imperial unit (lm/ft²). 1 fc = 10.764 lx.
What units are supported?
This converter supports lux (lx), foot-candles (fc), lumens per square meter (lm/m²), lumens per square foot (lm/ft²), phot (ph), and nox (nx).