Electricity Cost Calculator
Calculate how much it costs to run any appliance or device. Enter the wattage, how many hours per day you use it, and your electricity rate to see daily, and total energy cost.
Electricity Cost Calculator
business calculator
How It Works
Formula
kWh = (Watts × Hours) ÷ 1000 Cost = kWh × Price per kWh
Examples
1500W heater, 5 hrs/day, 30 days
About $33.75 per month.
Frequently Asked Questions
How do I calculate the cost of running an appliance?
Multiply the appliance wattage by hours used, divide by 1000 to get kWh, then multiply by your electricity rate. A 1500W heater run 5 hrs/day at $0.15/kWh costs about $1.13 per day.
Where do I find an appliance's wattage?
Check the label on the appliance, its manual, or the power supply. Common values: LED bulb 10W, laptop 50W, refrigerator 150W, microwave 1000W, space heater 1500W.
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