Converters

Illuminance converter

Calculate illuminance with explicit inputs, validation, and a documented formula.

Illuminance converter

Result0.001
Unitklx

How to use this tool

  1. Enter the known values.
  2. Select Calculate to process the inputs.
  3. Review the result, formula, and calculation steps.

Worked example

Follow this example to see the method in practice.

Formula

result = value × source factor ÷ target factor

Reference table

UnitSymbolBase factor
Luxlx1
Kiloluxklx1000
Foot-candlefc10.763910416709722
Photph10000
Noxnx0.001

Frequently asked questions

Formula

The formula below shows how the result is calculated.

Important information

Results are estimates for general informational purposes. Check important decisions with an appropriate professional or primary source.