How to use this tool
- Select the source and destination units.
- Enter a value or one value per line for batch conversion.
- Choose precision and copy or download the result.
Try this example
10
Accuracy and scope
Lux measures incident luminous flux per area. It cannot convert directly to lumens without area, or watts without spectral information.
Is my data uploaded?
This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.