Electricity Cost Calculator
Appliance Cost
Calculate running cost for an appliance
watts
hrs/day
$/kWh
Formula
Cost = (Watts x Hours / 1000) x Rate per kWh
Frequently Asked Questions
How do I calculate electricity cost?
Multiply wattage by hours used, divide by 1000 to get kWh, then multiply by your electricity rate. Example: 1500W x 8 hours / 1000 = 12 kWh x $0.12 = $1.44/day.
What is a kWh?
A kilowatt-hour (kWh) is a unit of energy equal to 1,000 watts used for one hour. It is the standard billing unit for electricity. A typical US household uses 900 kWh per month.
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