Footcandles to Lux Calculator
Enter a value and choose the direction. One footcandle equals 10.7639104167 lux.
Converted illuminance:
A QUICK WALKTHROUGH
How to use this tool
- Choose footcandles to lux or lux to footcandles.
- Enter a finite non-negative illuminance value.
- Calculate the converted value and unit.
Exact unit relationship
1 footcandle (fc) = 10.7639104167 lux (lx), and 1 lux = 0.09290304 footcandles. The conversion is exact for the defined units.
Non-negative input
Illuminance is entered as a finite non-negative number. Blank, negative, infinite, and non-numeric values are rejected.
GOOD TO KNOW
Common questions
What is a footcandle?
A footcandle is the illuminance produced by one lumen over one square foot.
Can I convert lux back to footcandles?
Yes. Select lux to footcandles; the calculator divides by 10.7639104167.