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Electricity Cost Calculator
What an appliance costs to run.
87.60
Per year
7.30
Per month
0.24
Per day
273.8
kWh per year
Runs entirely in your browser. Nothing is sent anywhere.
How it works
- 1Enter your values.
- 2See the result update instantly as you type.
- 3Change any value to compare scenarios.
About this tool
Electricity Cost Calculator: What an appliance costs to run. Type your numbers and the result is calculated instantly — no button to press, nothing to install. All math runs locally in your browser, so the values you enter are never sent anywhere.
Example
| Input | |
|---|---|
| Power (watts) | 150 |
| Hours per day | 5 |
| Price per kWh | 0.32 |
| Result | |
| Per year | 87.60 |
| Per month | 7.30 |
| Per day | 0.24 |
| kWh per year | 273.8 |
How do I use the Electricity Cost Calculator?
Enter your values. See the result update instantly as you type. Change any value to compare scenarios.
Is the Electricity Cost Calculator free?
Yes. It is completely free with no sign-up, no usage limits and no watermark.
Is my data sent to a server?
No. Everything is calculated locally in your browser. Nothing you enter is uploaded, logged or stored.
Does it work on my phone?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux — no app needed.