Electricity Cost Calculator
Calculate the cost of running any electrical device daily, monthly and yearly.
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🔒 All processing happens inside your browser — your files are never uploaded to any server.
Frequently Asked Questions
Where do I find my device's wattage?
It's usually printed on the device's label or in the user manual (listed as Watts or W); if not, you can search the device name along with "power consumption" online.
Does the calculation include electricity tax?
The tool calculates based on the unit price you enter, so if you want to include tax or extra fees, enter a price that already accounts for them.
Is my data sent to any server?
No, the calculation happens entirely inside your browser.