Estimate Electricity Cost

Estimate the monthly cost of running an electrical appliance.

Appliance Wattage (W)

Usage per Day (hours)

Utility Rate ($/kWh)

Estimated Monthly Cost

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Estimated Yearly Cost

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The Methodology

(Watts * Hours) / 1000 * Rate

This tool uses the verified professional formula shown above. We cite our sources so you can trust every result.

How it works

This tool converts the wattage of your device into kilowatts, multiplies it by the number of hours used per day, and then applies your local electricity rate per kWh.