Last updated on September 2nd, 2026 at 10:33 pm
LIGHTWATTAGE CALCULATOR
LED Payback Calculator
Calculate LED energy savings, electricity cost savings, payback period, and potential return on your lighting upgrade.
1. Existing Lighting
Power used by each existing bulb or fixture.
Total number of existing bulbs or fixtures.
2. LED Replacement
Power used by each replacement LED.
Number of LED bulbs or fixtures being installed.
3. Operating Conditions
Average daily operating time.
Number of days the lighting operates each year.
Your electricity cost per kWh.
Select the currency used for your electricity rate.
4. LED Upgrade Investment
Total purchase cost for the LED products.
Labor, electrical work, removal, and installation costs.
Optional savings from reduced lamp replacement and maintenance.
