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How much does it cost to run a laptop? ($1.53/mo)
Running a laptop costs about $1.53 / month
($0.05/day at 6 h/day, $0.17/kWh).
($0.05/day at 6 h/day, $0.17/kWh).
Running cost calculator
Per hour—
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Energy/mo—
A laptop is far more efficient than a desktop, drawing only what its battery charger needs plus a little for the screen.
Cost at different electricity rates
| Electricity rate | Per day | Per month | Per year |
|---|---|---|---|
| $0.10/kWh | $0.03 | $0.90 | $10.95 |
| $0.15/kWh | $0.05 | $1.35 | $16.43 |
| $0.20/kWh | $0.06 | $1.80 | $21.90 |
| $0.25/kWh | $0.08 | $2.25 | $27.38 |
| $0.30/kWh | $0.09 | $2.70 | $32.85 |
| $0.40/kWh | $0.12 | $3.60 | $43.80 |
Cost over time
| Per hour of use | $0.01 |
| Per day (6 h) | $0.05 |
| Per month | $1.53 |
| Per year | $18.62 |
How to spend less
- Run it fewer hours or on an eco / lower setting.
- Upgrade to a more efficient model (check the energy label).
- Use a smart plug or timer to kill standby and idle draw.
Want the raw figure? See how many watts a laptop uses.
FAQ
How many watts does a laptop use?
About 20-100 watts while charging and in use; less once the battery is full.
Is a laptop cheaper to run than a desktop?
Much cheaper - laptops are built around battery efficiency.
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