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unit.illuminance Calculator
Converts illuminance values between lux, kilolux, foot-candles, and phot. Lighting design standards vary by country — US building codes use fc; European standards use lux.
Inputs
Value
Reference formula or conversion factor shown for context.
Results
klux
Reference formula or conversion factor shown for context.
fc
Reference formula or conversion factor shown for context.
phot
pH of the solution. Below 7: acidic. 7: neutral. Above 7: basic (alkaline).
input (illuminance (lux))
Sample size or count used in the calculation.
1 klux =
Reference formula or conversion factor shown for context.
1 fc =
Reference formula or conversion factor shown for context.