Lighting Calculator
Number of Lamps:
Hrs per Day:
Days per Yr:
Energy Cost ($/KWH):
$
Watts/Lamp (Existing):
Watts/Lamp (LED):
Cost/Lamp (M&L - Existing):
$
Cost/Lamp (M&L - LED):
$
Lifetime Hours (Existing):
Lifetime Hours (LED):
Results
Payback Period:
Annual Savings:
Lifetime Savings:
Monthly Cost of Waiting:
Calculate
For assistance with lighting calculator, please reference the glossary.