Free Electricity Cost Calculator
Calculate the electricity cost of running appliances based on wattage, usage hours, and your electricity rate.
How to Use Electricity Cost Calculator
- 1
Enter the appliance wattage or select a preset.
- 2
Set usage hours per day.
- 3
Enter your electricity rate ($/kWh).
- 4
View daily, monthly, and yearly costs instantly.
Frequently Asked Questions
How is electricity cost calculated?▾
Cost = (Watts × Hours per day) / 1000 × Rate per kWh. Multiply daily cost by 30 or 365 for monthly/yearly.
Where do I find my electricity rate?▾
Check your electricity bill or contact your utility provider. The average US rate is about $0.12/kWh.
Are appliance presets available?▾
Yes — quick presets for common appliances like refrigerators, TVs, computers, and more.
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