Calculator
PC Monthly Cost Calculator
Estimate the monthly electricity cost of a complete PC setup, including GPU, CPU, monitor, cooling, storage, and other connected hardware.
Monthly inputs
Monthly PC cost
Total load750 W
Monthly energy112.5 kWh
Monthly cost$20.25
Yearly cost$246.37
Assumes 750 W total system load for 5 hours per day and 30 days per month.
Monthly cost examples
| Scenario | Average load | Daily use | Monthly energy | Monthly cost |
|---|---|---|---|---|
| Efficient desktop | 180 W | 5 h | 27 kWh | $4.86 |
| Gaming setup | 530 W | 5 h | 79.5 kWh | $14.31 |
| Workstation | 760 W | 8 h | 182.4 kWh | $32.83 |
Method and assumptions
Monthly PC cost is calculated from total average system watts, daily usage hours, days per month, and electricity price per kWh. For a complete setup, include the monitor and external devices when they are used for the same session.