Electricity Cost Calculator
Enter a device's power in watts, how long it runs each day and your price per kWh to see the daily, monthly and yearly cost.
Electricity Cost
What a device costs to run per year
Cost per day1.08
Cost per month32.40
Cost per year394.20
Energy per year1,314 kWh
How it works
- kWh per day = watts × hours ÷ 1,000.
- Standby power across a home can add 5–10% to a bill.
Frequently asked questions
Where do I find my price per kWh?
It is printed on your electricity bill, usually as a unit rate in cents or pence per kWh.
Use it without ads
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