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UNIT CONVERTER

Illuminance

Compare photometric quantities under consistent source and receiving conditions.

Result

SI / metric also includes non-SI metric units. Check distinctions such as US and UK units.

Results in other units

Displayed values are rounded. Check the unit type and definition before use.

How to convert, examples and notes

About illuminance conversion

Choose the input and output units, then enter a number. The result updates on this device.

Conversion examples (rounded)

  • 1 lx = 0.001 klx
  • 10 lx = 0.01 klx

Some supported units: mlx · lx · klx · fc · ph (5 units in this category).

Compare photometric quantities under consistent source and receiving conditions.

The nearby list shows the reference unit and up to two rows on either side. Expand it to see every unit. Check SI / metric, imperial / US customary and other definitions before important use.

Conversion table for 1 lx

Fixed reference values, rounded to 10 significant digits. Use the converter above for your own value.

UnitName1 lx equals
mlxMillilux1,000 mlx
lxLux1 lx
klxKilolux0.001 klx
fcFoot-candle0.09290304 fc
phPhot0.0001 ph