How much does a laptop cost per month in Missouri?

About $1.62 a month, assuming 60 W, 8 hours a day, 250 days a year at 16.22¢/kWh.

How many kilowatt-hours does a laptop use?

Roughly 120 kWh a year under these assumptions, or 0.06 kWh for every hour it runs.

Is that expensive compared with other states?

Missouri has the 25th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $22.01 a year.

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Cost to run a laptop in Missouri (June 2026 rates)

At 16.22¢ per kilowatt-hour — Missouri's average residential price in June 2026 — running a laptop costs $19.46 a year. That is 12% less than the national average of $22.01. Missouri's residential rate is up 1.9% from June 2025, which moves this appliance from $19.09 to $19.46 a year.

Per hour: 1.0¢
Per day of use: 7.8¢
Per month: $1.62
Per year: $19.46

Assumption: 60 W, 8 hours a day, 250 days a year — 120 kWh a year. Charging and working. Once the battery is full, draw drops toward 20 to 30 W for light work. Use the calculator to swap in the numbers from your own model.

How Missouri compares

Missouri pays 16.22¢/kWh, the 25th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $2.54 less a year than the typical U.S. household pays for the same use. Running the same laptop costs $15.73 a year in Nevada and $63.26 in Hawaii, so where you live changes this bill by $47.53 a year.

State	Rate	Per month	Per year
Iowa	15.93¢	$1.59	$19.12
Texas	15.94¢	$1.59	$19.13
Missouri	16.22¢	$1.62	$19.46
Oregon	16.32¢	$1.63	$19.58
Georgia	16.36¢	$1.64	$19.63

States ranked by average residential price, cheapest first. See all 51 states for a laptop.

What else costs about the same in Missouri

Air fryer$20.44 a year in MO Box fan$18.25 a year in MO Washing machine$21.09 a year in MO

Cutting the number down

A laptop typically uses a fifth to a tenth of what a comparable desktop does for ordinary work.
The charger left plugged in with no laptop attached draws almost nothing on modern units.

Questions

How much does a laptop cost per month in Missouri?: About $1.62 a month, assuming 60 W, 8 hours a day, 250 days a year at 16.22¢/kWh.
How many kilowatt-hours does a laptop use?: Roughly 120 kWh a year under these assumptions, or 0.06 kWh for every hour it runs.
Is that expensive compared with other states?: Missouri has the 25th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $22.01 a year.