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Convert between Lux, Foot-candles, and Phots.
The intensity of light on a clear day with the sun at its zenith.
Standard recommended illuminance for a productive workspace.
The amount of light reaching the ground on a clear full moon night.
Typical lighting level for professional indoor photography.
| Unit | Equivalent Value |
|---|---|
| 1 Lux (lx) | 1 lumen/m² |
| 1 Foot-candle (fc) | 10.7639 lx |
| 1 Phot (ph) | 10,000 lx |
| 1 Milliphot (mph) | 10 lx |
| 1 Lumen per square inch | 1,550 lx |
Illuminance measures the amount of light falling on a surface. It is crucial for architectural lighting design and photography.
Note: 1 foot-candle (fc) is approximately 10.764 lux (lx). 1 Phot (ph) = 10,000 lux.