Luminance or brightness is the luminous intensity of a surface in a given direction per unit of projected area of the surface.

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Illuminance | Conversion of units like lx, lm/m², fc, ... |

**Usage:**
Type the value of luminance you want to convert into the field, behind which you find the unit.
Click on any empty space in the window or on the "calculate" button.
Use the "reset" button to delete a calculation.
Move the mouse over a unit or click on it to read its full name.

**Example:**
You want to convert 200 Candela/cm² into "Lambert".
Type "200" into the field in front of "cd cm^{-2}".
Click on any empty space in the window or on the "calculate" button.
Find your result in the field in front of
"L" (628.32 L).

**Remarks:**

- Please note the remarks about the
representation of numbers..

- There is no warranty for the calculation. Cactus2000 is not
responsible for damage of any kind caused by wrong results.

- Please send an email if you have suggestions or if you would like to see more
conversions to be included.

© Bernd Krüger, 11.02.2002, 07.07.2018

Bernd Krüger, 2022

Cactus2000