How Much Does It Cost to Run Computer Monitor?
A modern LED monitor draws about 30 watts — a full work-from-home year on one screen costs only a few dollars. At the US-average rate of 16.5¢/kWh, running a computer monitor costs about $1.20/month ($14.44/year) at typical use. Adjust the watts, hours, and your rate below for your exact number.
Cost to run a computer monitor
$14/yr
- Per day
- $0.04
- Per month
- $1.20
- Energy per year
- 88 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 computer monitor by electricity rate
Same 30 W appliance, 8 h/day — the bill changes with where you live.
| Scenario | Rate | Per month | Per year |
|---|---|---|---|
| Cheapest states (North Dakota) | 11.5¢ | $0.84 | $10.08 |
| US average | 16.5¢ | $1.20 | $14.44 |
| Most expensive (Hawaii) | 42.9¢ | $3.13 | $37.55 |
Find your state's rate on the electricity rates by state page, or see the appliance wattage chart for more devices.
Frequently asked questions
Ask AI about this
Open an AI assistant with a question grounded in this page.