LED Calculator

We are in the process of updating several of our energy calculators. Results currently provided on this calculator are not reliably accurate. We are working to soon release updated versions with accurate calculations to help you make informed energy decisions.

Estimate how much you can save by switching to LED bulbs from incandescent, halogen or Compact Fluorescent Light (CFL). For a personalized calculation, adjust each field to match the bulb type, wattage, number of bulbs and hours of use per day. Next click the “Add to calculation” button and then the “CALCULATE” button.


Current Bulb Type
Number of Bulbs
Hours of Use Per Day
LED Calculator

Estimated Annual Savings From Switching to LEDs






Miles Driven Equivalent

Savings are estimated. Actual savings may differ depending on factors such as actual usage variations and energy market supply cost fluctuations.