About this Illuminance Converter
Illuminance Converter translates common lighting measurements used in building, photography and workplace specifications.
Formula or method
1 foot-candle ≈ 10.7639104167 lux.
Example
1000 lux is approximately 92.903 foot-candles.
Common uses
- Convert lux to foot-candles.
- Convert kilolux to lux.
- Compare lighting specifications across unit systems.
How to use this tool
- Enter the values or text requested by the calculator.
- Choose units or options when the tool provides them.
- Select the calculation button and review the result.
- Use the formula, example and notes on this page to check whether the result fits your situation.
Important note
Illuminance measures light falling on a surface; it is different from luminous flux measured in lumens.
Frequently asked questions
Is lux the same as lumens?
No. Lumens measure luminous flux; lux measures lumens per square meter on a surface.
What is a foot-candle?
It is an illuminance unit equal to one lumen per square foot.