Laptop & PC Power Consumption Calculator — Electricity Cost Estimate
Find out how much electricity your laptop, desktop computer or gaming PC uses. Enter your device power consumption, daily usage time and electricity rate to calculate monthly and yearly energy costs.
Laptop & PC Power Consumption Calculator
Calculate electricity usage and running costs for your laptop, desktop PC or gaming computer.
Monthly energy
0 kWh
Monthly cost
$0
Yearly cost
$0
💡 Tip: Lower power consumption devices can significantly reduce electricity costs over time.
How much electricity does a laptop use?
A typical laptop consumes between 30W and 90W depending on performance and workload.
How much power does a gaming PC use?
Gaming computers usually consume between 300W and 800W depending on components such as CPU and GPU.
Does leaving a computer on increase electricity costs?
Yes. Continuous operation increases energy consumption and monthly electricity expenses.