Electricity consumption calculator
Enter the wattage and the hours used per day to get the daily and monthly kWh.
Result
A 1500 W heater used 4 hours/day consumes 6 kWh/day and about 180 kWh/month.
Example
Estimate the kWh consumed by a device from its wattage and daily use in your browser. Values stay on your device.
A 1500 W heater used 4 hours/day consumes 6 kWh/day and about 180 kWh/month.
Processed locally in your browser.
Methodology
kWh/day = wattage × hoursPerDay / 1000; kWh/month = kWh/day × 30.
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