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LED Bulb Payback Calculator
Calculate hours of use until an LED bulb pays back its cost from electricity savings.
Privacy: This App does not send or save your entries. Do not enter passwords, codes, full account numbers, or private identifiers.
Enter your numbers
Enter only the details needed for this task. Check them against the original source.
Your result
Your result will appear here.
Engine self-test
Running golden cases…
Source notes
- U.S. Environmental Protection Agency, Energy Star — Light Bulbs
ENERGY STAR LED bulbs use ~75% less energy than incandescent bulbs and last much longer.
Reviewed 2026-10-10. Exact savings depend on bulb use, local electric rates, and the specific bulb purchased.
What this App does not do
This App estimates savings from your numbers. It does not verify bulb life or your electric rate.
This free App has no paid features. It does not contact an agency, employer, bank, seller, provider, or other person.