How Much Does It Cost to Run Desktop Computer?
A typical desktop draws a couple hundred watts, but a gaming or workstation PC under load can pull far more for hours at a time. At the US-average rate of 16.5¢/kWh, running a desktop computer costs about $8.02/month ($96.24/year) at typical use. Adjust the watts, hours, and your rate below for your exact number.
Cost to run a desktop computer
$96/yr
- Per day
- $0.26
- Per month
- $8.02
- Energy per year
- 584 kWh
Cost = power (kW) × hours × days × your rate. Defaults are typical values — enter your appliance's actual watts (often on a label) and your real rate for a precise figure.
Cost to run a desktop computer by electricity rate
Same 200 W appliance, 8 h/day — the bill changes with where you live.
| Scenario | Rate | Per month | Per year |
|---|---|---|---|
| Cheapest states (North Dakota) | 11.5¢ | $5.60 | $67.22 |
| US average | 16.5¢ | $8.02 | $96.24 |
| Most expensive (Hawaii) | 42.9¢ | $20.86 | $250.30 |
Find your state's rate on the electricity rates by state page, or see the appliance wattage chart for more devices.
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