Category: Converters

Illuminance Converter

Convert lux, foot-candles and phots.

Runs in your browserProcessed locally. Your input never leaves your device.

Converting Illuminance.

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You can type here too — it converts the other way.

1 lx = 0.092903 fc

Exact by definition
Settings

Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.

Convert a whole list

Paste one conversion per line, written the way you would say it: "5 km to mi". Handy for a column copied out of a spreadsheet.

Details

About this tool

Converts between lux, kilolux, foot-candles, phots and nox - the units of light falling on a surface, used in workplace lighting standards and photography.

Keep going

  • Convert between about 250 units of measurement, offline in your browser.

    Runs in your browserConverters
  • Convert metres, feet, inches, miles and 25 more units of length.

    Runs in your browserConverters

Good to know

Questions people actually ask

How many lux is a foot-candle?
10.7639 lux, because a foot-candle is one lumen per square foot and a lux is one lumen per square metre. The factor is exactly the number of square feet in a square metre.