How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Approximate illuminance
power*efficacy/areaAssumes all luminous flux reaches the stated area uniformly.
Assumes all luminous flux reaches the stated area uniformly.
Enter your values and run the tool to see your result.
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
power*efficacy/area