Electricity Cost Calculator

Estimate running cost of any appliance by wattage and hours.

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See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use Electricity Cost Calculator

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Enter the appliance wattage (check the label).

  2. 2

    Step 2. Set hours used per day and days per month.

  3. 3

    Step 3. Enter your electricity rate per kWh (check your bill).

  4. 4

    Step 4. See monthly cost, kWh usage, and annual cost.

Why use this tool

Frequently asked questions

Everything you might want to know about electricity cost calculator.