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Appliance Electricity Cost Calculator
What is Appliance Electricity Cost Calculator?
An appliance electricity cost calculator estimates how much electricity an appliance uses and what it costs per month and year, from its power in watts, daily hours of use and your price per kWh.
How Appliance Electricity Cost Calculator helps
- Finds costly appliances
- Helps plan savings
- Simple inputs from the appliance label
How to use Appliance Electricity Cost Calculator
- Enter your numbers in the fields (sample values are pre-filled).
- Read the results, which update instantly.
- Change one input at a time to compare scenarios.
Example
A 1,500 W heater used 3 hours a day for 30 days uses 135 kWh a month.
Frequently asked questions
Where do I find the watts?
On the appliance label or manual.
What is a kWh?
One kilowatt-hour is 1,000 watts used for one hour.
Does it handle variable power?
No. Use an average wattage.
Results depend entirely on the prices and factors you enter. Real-world costs, emissions and savings vary.
Last updated October 7, 2026.