Electricity Cost Calculator
Estimate appliance electricity cost per hour, day, month and year using power consumption, usage time and your local electricity rate.
Enter values and press Calculate.
How this calculator works
Power in watts is converted to kilowatts, multiplied by hours of daily use, then multiplied by your electricity price per kilowatt-hour. Monthly and yearly figures are estimated from the daily result.
How to use the result
Change one input at a time to compare scenarios. This helps you see which factor has the biggest effect on your total cost or savings.
Frequently asked questions
What is kWh?
A kilowatt-hour is a unit of energy equal to using 1,000 watts for one hour.
Why does my real bill differ?
Utility bills can include taxes, fixed charges, tiered pricing and seasonal tariffs in addition to energy use.
Can I use this for any appliance?
Yes. Use the appliance's rated or measured wattage for the most realistic estimate.