Electricity cost calculator
Enter the wattage, hours per day, days and the price per kWh to get the cost.
Result
A 1500 W heater used 4 h/day for 30 days at $0.20/kWh costs about $36/month.
Example
Estimate the cost of running a device from wattage, hours and a rate you enter in your browser. Values stay on your device.
A 1500 W heater used 4 h/day for 30 days at $0.20/kWh costs about $36/month.
Processed locally in your browser.
Methodology
Cost = wattage × hours × days / 1000 × pricePerKWh. The rate is the one you enter, not a live tariff.
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