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Electricity cost calculator

Enter an appliance’s power in watts, how many hours it runs a day and your electricity price per kWh to see what it costs per day, month and year. Useful for ACs, water heaters, servers and office equipment.

Live resultUpdates as you type

Press “Calculate cost” to see the result here.

How do I use the electricity cost calculator?

Electricity cost calculator: frequently asked questions

How do I calculate electricity cost?

kWh = watts ÷ 1000 × hours. Cost = kWh × price per kWh.

How many watts does an AC use?

Split units often draw roughly 1,000–2,500 W while the compressor runs; check the label.

Where do I find my tariff?

On your utility bill. UAE utilities use tiered rates, so the marginal rate may be higher than the average.

Does the AC run continuously?

No. The compressor cycles on and off, so actual use is often less than hours × rated power.

How can I reduce cooling costs?

Set the thermostat around 24 °C, service filters regularly, and shade windows.

Is my data stored?

No. It runs in your browser.

Is this estimate a quote?

No. It is a planning estimate based on your inputs. We provide a fixed quote after a short call.

Is the electricity cost calculator free?

Yes. It is free with no sign-up and no usage limits for normal use.

Is my data sent to your servers?

No. This tool runs entirely in your browser, so what you type never leaves your device.

Does it work on my phone?

Yes. The tool works in any modern browser on iPhone, Android, tablet or computer.