LED Savings Calculator
Number of Bulbs
Old Wattage (W)
LED Wattage (W)
Hours/Day
Rate ($/kWh)
✓Savings
Annual Saving
$279.22
Energy Reduction
85%
Monthly Saving
$23.27
LED bulbs use 75–90% less energy than incandescent bulbs and last 15–25× longer. This calculator quantifies the annual financial savings from switching.
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