PHP Lighting Calculators I use on my website LampHq.com
You can see the aquarium lighting calculator script in action here:
You can see the beam angle calculator script in action here:
You can see the candela lumen calculator script in action here:
You can see the LED energy savings calculator script in action here:
You can see the illuminence calculator script in action here:
You can see the lux lumen conversion calculator script in action here:
Lux Lumen Conversion Calculator
You can see the lumen room calculator script in action here:
You can see the lumen watts conversion calculator script in action here:
Lumen Watts Conversion Calculator
You can see the power consumption calculator script in action here:
You can see the recessed lighting calculator script in action here:
You can see the power supply calculator script in action here: