About Foot-candle (fc) - Illuminance Unit
Definition
The Foot-candle (symbol: fc) is a scale for measuring illuminance. It is defined as 10.7639 Lux.
Symbol
The international designation for Foot-candle is fc, used globally in blueprints and scientific journals.
Real World Usage
You effectively encounter Foot-candle in environments where illuminance needs to be expressed without cumbersome notation. For example, Foot-candle is the standard in practical trades like manufacturing.
Formula Relations
Mathematically, one Foot-candle represents exactly 10.7639 Lux. This fixed ratio allows for reliable translations.
Industries
Industries like logistics and engineering rely on Foot-candle for daily logs. In specialized illuminance workflows, using fc is often a regulatory requirement.
Did You Know?
The Foot-candle designation is recognized by most automated data systems, making it a robust choice for digital logging.