FREE ONLINE CALCULATOR / COMPUTING
Electricity Cost Calculator
Calculate electricity expense from appliance wattage and usage. Fast, private, and built to make every number easier.
Input values
✦ InteractiveHow does this calculator work?
Calculate electricity expense from appliance wattage and usage. Edit the inputs and see the computed results. All calculations take place inside your browser, without submitting values to a server.
Cost=(W×hours×days/1000)×price/kWh
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