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Illumination Converter
Lux, foot-candle, phot
Illumination Converter
About the illumination converter
This converter handles 9 illumination units. Enter a value in either field and the other updates instantly — there is no button to press and nothing to submit. Use the swap control to reverse the direction of the conversion.
All factors are stored against a single base unit
(
Lux) and applied in one step, so converting A → B
never accumulates rounding error from an intermediate hop.Quick reference table
| Lux | Foot-candle |
|---|---|
| 1 lx | 0.09290304 fc |
| 2 lx | 0.18580608 fc |
| 5 lx | 0.4645152 fc |
| 10 lx | 0.9290304 fc |
| 20 lx | 1.8580608 fc |
| 50 lx | 4.645152 fc |
| 100 lx | 9.290304 fc |
| 500 lx | 46.45152 fc |
| 1000 lx | 92.90304 fc |
All 9 units
| Unit | Equals in Lux |
|---|---|
| Lux (lx) | 1 |
| Kilolux (klx) | 1000 |
| Millilux | 0.001 |
| Lumen/meter² | 1 |
| Lumen/centimeter² | 10000 |
| Lumen/foot² | 10.76391042 |
| Phot (ph) | 10000 |
| Foot-candle (fc) | 10.76391042 |
| Nox | 0.001 |