Absorbed Radiation Dose Converter
Convert absorbed radiation dose between the listed units.
Open toolIlluminance Converter
Convert illuminance between the listed units. Illuminance at a surface, distinct from luminance.
Free to useNo sign-upRuns in your browser
Enter your details
Enter the inputs, then select Convert units.
Your result
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Result will appear here
How Illuminance Converter works
Convert illuminance between the listed units.
Illuminance at a surface, distinct from luminance. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
How to use Illuminance Converter
Follow the labelled inputs.
Enter quantity
Replace the example with quantity. The field labels specify the expected format and units.
Input and settings
Check the remaining inputs
Set from unit, to unit. Illuminance at a surface, distinct from luminance.
Tool result
Run, review and save
Select Convert units. Review the converted quantity and its destination unit, then copy it or download the result text.
Review the details
Examples and uses for Illuminance Converter
Read a specification in another unit
Enter the stated quantity and its source unit. The output retains the destination-unit label, so you can compare it with the original specification.
Compare two measurements
Convert the readings to the same unit before comparing them. Illuminance at a surface, distinct from luminance.
Keep a conversion in your notes
Copy the quantity with its unit or download the text. Convert illuminance between the listed units.
How to read the result
Read the units and assumptions with the output.
Convert illuminance between the listed units.
Illuminance at a surface, distinct from luminance. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
Supported input and limits
Check the stated scope before you run it.
Illuminance at a surface, distinct from luminance. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
The input stays in this browser. Copy result and Download save the same displayed text.
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Open toolIlluminance Converter: common questions
Answers about using Illuminance Converter and understanding its results.
What assumptions and input limits apply?
Illuminance at a surface, distinct from luminance. Finite real inputs; output uses up to 12 significant digits. Floating-point results may be rounded.
How can I save the output?
Use Copy result to copy the displayed text, or Download to save it as a text file. The tool runs in your browser and does not require an account.
Convert units with your input
Check the converted quantity and its destination unit, then copy or download it.