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Illuminance Converter

Convert lux, kilolux, foot-candles, phot, and nox for lighting design, workplaces, studios, and photography.

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Built for reliable illuminance conversions

Reference

Illuminance factors from NIST light-unit conversion tables, using lux as the shared reference unit.

Coverage

5 units and 8 focused conversion pages in this category.

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Popular illuminance conversions

Lighting levels8 converters
lux to foot-candles1 lx = 0.0929 fcfoot-candles to lux1 fc = 10.7639 lxkilolux to lux1 klx = 1,000 lxlux to kilolux1 lx = 0.001 klxphot to lux1 ph = 10,000 lxlux to phot1 lx = 0.0001 phlux to nox1 lx = 1,000 noxnox to lux1 nox = 0.001 lx

Units included

UnitSymbolValue in lux
noxnox0.001
luxlx1
kiloluxklx1,000
foot-candlefc10.76391041671
photph10,000