LED Savings Calculator
Compare LED vs incandescent annual savings.
Result
Formula
Calculation logicFrequently asked questions
How much do LEDs save per bulb?
Replacing a 60W incandescent with 9W LED saves 51W. At 5 hours daily and average rates, about $16 a year each.
How is payback calculated?
Bulb price premium divided by annual energy plus replacement savings. Most LEDs pay back in months.
Do lumens match?
Match 800 lumens for a 60W equivalent, 1,600 for 100W. Watts no longer measure brightness.
Should I replace working bulbs?
Yes for high-use sockets. Closet bulbs running minutes a day can wait.
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