Electricity Usage Calculator
Appliance Cost
$
Total Bill Estimate
$
$
Formula
Cost = (Watts × Hours / 1000) × Rate
Frequently Asked Questions
How do I calculate electricity cost?
Cost = (Watts × Hours) / 1000 × Rate. Example: A 1,500W heater running 8 hours/day at $0.12/kWh costs: (1500 × 8) / 1000 × 0.12 = $1.44/day or ~$43/month.
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