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Instant result
The result is updated directly from the data entered.
Online Calculator
Electricity consumption calculator
Estimate how many kWh an electrical appliance uses over a given period.
Daily consumption
2 kWh
Total consumption
60 kWh
Information
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Local processing
The calculations are done in your browser without sending the values to a server.
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Free
No registration, subscription, or paid API required.
Frequently asked questions
How is electricity consumption calculated?
Power in kW multiplied by hours of use and days.
How do I convert watts to kilowatts?
Divide the power in watts by 1000.
Does it show daily consumption?
Yes.
Does it calculate the price?
You can use the electricity cost calculator for that.