LED Savings Calculator

Estimate energy cost savings by replacing incandescent bulbs with LEDs.

Incandescent wattage
LED wattage
Hours per day
Electricity rate ($/kWh)

Educational information, not professional advice.

Examples

  • 60→9W,5h,$0.15 ⇒ $6.84
  • 75→10W,3h,$0.20 ⇒ $11.70

FAQ

Why 30 days?

Assumes monthly usage.

Bulb cost included?

No, only energy savings.

Additional Information

  • old: Incandescent wattage
  • new: LED wattage
  • hours: Hours per day
  • rate: Electricity rate ($/kWh)