The formula to calculate Footcandles (\(fc\)) from Lux (\(lx\)) is:

\[ fc = \frac{lx}{10.76391} \]

Where:

• \(fc\) is the illuminance in footcandles.
• \(lx\) is the illuminance in lux.
• 10.76391 is the conversion factor from square meters to square feet.