Electricity Cost Calculator
Estimate the cost of running an electrical device based on its wattage, usage hours, and your electricity rate.
$
Cost
Enter values to calculate
How to Use the Electricity Cost Calculator
1
Enter device wattage.
2
Enter usage hours and rate.
3
See the cost.
Frequently Asked Questions
How is it calculated?
Cost = (Watts × Hours per day × Days) ÷ 1000 × Rate per kWh.