Home Appliance Energy Cost Calculator

Estimate daily, monthly and annual electricity use and cost from appliance watts, runtime and your local price per kWh.

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The prefilled values are an example. Replace them with your own figures. All money amounts are in US dollars.

Appliance power (watts)

Number of identical appliances

Average runtime per day (hours)

Days used per month

Electricity price (USD per kWh)

Calculated locally in your browser. This calculator does not send your inputs or save them on the server.

How to use this tool

Replace the example values with your actual figures, select Calculate, and compare another scenario by changing one or more inputs. Results are educational estimates.