Gaming PC Electricity Cost Calculator: Per Hour and Per Month
Idle, browsing and full-load draw for real GPU tiers. Adjust the wattage, runtime and your own electricity rate below — every figure updates instantly in your browser, and nothing you type is sent anywhere.
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How this cost is calculated
The formula is kWh = watts ÷ 1000 × hours, then cost = kWh × your rate per kWh. Standing charges and tiered or time-of-use pricing are billed separately by your supplier, so treat these numbers as the marginal cost of running this appliance rather than a full bill.
For the full breakdown with regional price tables, read the detailed guide, or estimate your whole household on the home electricity bill calculator.
Frequently asked questions
How much does gaming cost per hour in electricity?
About $0.05-$0.07 an hour for a mid-range PC and $0.02-$0.03 for a console at $0.16/kWh.
Does leaving a PC on overnight cost much?
Idling at 70W for 8 hours is 0.56 kWh, roughly $0.09 a night or $2.70 a month.
Does capping frame rate reduce power use?
Yes, a 60 fps cap can cut GPU draw by 30-50% in less demanding games.