Electricity Calculator
Convert watts to kilowatts and multiply by hours per day, days, and unit price.
This calculator is free to use. Enable JavaScript to enter your values and see a result instantly.
How it works
Convert watts to kilowatts and multiply by hours per day, days, and unit price.
Worked example
A 1,000 W appliance used two hours daily for 30 days consumes 60 kWh.
Keep in mind
Results are estimates; check the assumptions for your situation.