Method
Converts watts to kilowatts, multiplies by usage time and a supplied tariff.
Finance / browser tool
Electricity Cost Calculator
Estimate appliance electricity use and cost from watts, time, and tariff.
Turn a simple appliance usage pattern into kWh and cost estimates.
Your inputs stay on your device
Estimate electricity cost
live resultW
per kWh
Energy used
Estimated cost
Daily cost
Planning estimate only. Values stay in this browser; no taxes, live rates, lender rules, payroll data, or financial advice are included.
Context & Reference
How it works
For estimating the cost of running a household appliance.
calculator guideHow to use it
Use this calculator with your own values, then review the clearly labelled result and copy it when you need it elsewhere.
Understand the result
Energy is shown in kWh with daily and selected-period cost estimates.
Example
Estimate a 150 W appliance used 4 hours daily for 30 days.
Practical tip
Bills, standby draw, taxes, and cycling can change the actual cost.
Notes
This calculator runs locally in this browser. Bills, standby draw, taxes, and cycling can change the actual cost.
Useful next steps
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