Is it worth it to turn of your lights before you go?
What is your light bulb type?
led
cfl
halogen
incandesiant
light lumens:
electricity cost (in $ per kwh)
time away (in hours, decimals allowed):
distance to switch: (in feet)
pace:
walk
jog
run
your $/h :
calculate
your time cost:
turning off cost:
you would save:
is it worth it?