Electricity Cost Calculator
Calculate the electricity cost of running any appliance. Enter wattage, usage hours, and electricity rate to see daily, monthly, and yearly costs.
Appliance Details
Quick Pick an Appliance
Click any appliance to fill in its typical wattage.
Cost Comparison
See how this appliance compares to common household items at your current rate.
| Appliance | Watts | Cost / Month (1h/day) |
|---|
Frequently Asked Questions
How do I calculate the electricity cost of an appliance?▾
Enter the appliance wattage, the number of hours you use it per day, and your electricity rate in dollars per kWh. The calculator instantly shows daily, monthly, and yearly costs.
What is the average electricity rate in the US?▾
The average US residential electricity rate is approximately $0.12 per kWh, though it varies by state from around $0.08 to over $0.30 per kWh.
How do I find the wattage of my appliance?▾
Check the label on the appliance or its manual for the wattage rating. You can also use the quick-pick buttons in this calculator for common appliance wattages.
What is a kilowatt-hour (kWh)?▾
A kilowatt-hour is the amount of energy used by a 1,000-watt appliance running for one hour. It is the standard billing unit on electricity bills.
Is my data safe when using this electricity cost calculator?▾
Yes. All calculations happen entirely in your browser. No data is ever sent to a server.