Is the Electricity Cost free to use?

Yes, the Electricity Cost is completely free. There is no sign-up, no account required, and no limit on how often you can use it.

Is data from the Electricity Cost saved between visits?

Some features use your browser's local storage to save data between visits on the same device. This data is not sent to any server and stays only on your device.

What devices does the Electricity Cost work on?

The Electricity Cost works on any device with a modern web browser — desktop, laptop, tablet, or phone. It is mobile-friendly and works offline once the page has loaded.

🏠 Life & Home

Electricity Cost Calculator

Calculate the running cost of any appliance per hour, day, month and year. Enter wattage and electricity rate to see exact costs.

The Electricity Cost is a free online tool that helps you calculate the running cost of any appliance per hour, day, month and year. enter wattage and electricity rate to see exact costs It runs in your browser with no sign-up, downloads, or installation needed. All processing happens locally — your data stays on your device.

Electricity rate

per kWh

UK average: ~28p/kWh. Check your bill for your actual rate.

How to use

Enter appliance wattage and daily use

Find the wattage on the appliance label or manual. Enter daily hours used and the cost per hour, day, month and year appear instantly. Add multiple appliances to see your total estimated running cost.

Common appliance wattages

Kettle: ~3,000W · Electric shower: 7,000–10,500W · Tumble dryer: 2,500W · Washing machine: 2,000W · Microwave: 700–1,000W · Fridge-freezer: 150–400W · LED bulb: 8–12W · TV: 50–150W · Gaming console: 100–200W · Desktop PC: 200–500W.

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