Free pc & home tool
PC Electricity Cost Calculator
Estimate how much your desktop PC, laptop, console, or home device costs to run each day or month.
Runs locally in your browser. No signup needed.
Why use this?
Use this before leaving a gaming PC, server, or home workstation running all day. Small wattage differences become real money over a month.
Quick tips
- Add your real kWh rate from the electricity bill.
- Use a wall power meter for more accurate watts.
- For gaming PCs, test idle and gaming load separately.