// multi-utility computation suite · offline · instant · precise
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│ [c] calcalyst_ │
│ computation suite │
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tool.illuminance-unit-converter Calculator
Converts illuminance between lux, foot-candles, and phot. Architecture uses lux; US photography and cinematography use foot-candles — a 1:10.76 ratio that catches everyone out once.
Inputs
Value
Reference formula or conversion factor shown for context.
From Unit
Reference formula or conversion factor shown for context.
Results
illuminance (lux)
Sample size or count used in the calculation.
footcandles (fc)
Sample size or count used in the calculation.
phot
pH of the solution. Below 7: acidic. 7: neutral. Above 7: basic (alkaline).
nox
Sample size or count used in the calculation.
1 fc = 10.764 lux
Reference formula or conversion factor shown for context.