Electricity Cost Calculator
Calculate how much an appliance costs to run per day, month and year from its wattage and your kWh price. Free energy cost calculator.
✓ 100% free ✓ No sign up ✓ Runs in your browser — nothing uploaded
Cost per month
6.21
Cost per day 0.20
Cost per year 74.46
Energy per day 1.2 kWh
How to use Electricity Cost Calculator
- 1Enter your numbers or dates.
- 2Results update instantly as you type.
- 3Copy the main result with one click.
Questions
Is Electricity Cost Calculator free?
Yes. Electricity Cost Calculator is 100% free with no limits, no watermark, no sign up and no email required.
Is my data sent anywhere?
No. Everything is calculated locally in your browser. Nothing you type is sent to or stored on any server.
Does Electricity Cost Calculator work on my phone?
Yes. Electricity Cost Calculator works in any modern browser on iPhone, Android, Windows, Mac, Linux and Chromebook. No app or install needed.
Do I need to create an account?
Never. There is no sign up, no login, no email and no paywall. Just open the page and use it.
How accurate is it?
Calculations use standard formulas with full floating-point precision. For medical, legal or financial decisions, please confirm with a professional.