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Electrical energy in units (kWh) is power in kilowatts × hours of use. A 2 kW appliance running for 3 hours uses 6 units — the same 'units' your electricity bill charges for.
Appliance ratings are often in watts, so divide by 1000 before entering kilowatts. This gives energy consumed, not the cost — pair it with your tariff to get rupees.
That is the promise behind every tool here. Files are read in your browser tab, processed there, and discarded when you close it — never uploaded to our servers.
