How much does a hair dryer cost per month in Hawaii?

About $4.15 a month, assuming 1,800 W, 9 minutes a day, 350 days a year at 52.72¢/kWh.

How many kilowatt-hours does a hair dryer use?

Roughly 94 kWh a year under these assumptions, or 1.80 kWh for every hour it runs.

Is that expensive compared with other states?

Hawaii has the most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $17.33 a year.

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Cost to run a hair dryer in Hawaii (June 2026 rates)

At 52.72¢ per kilowatt-hour — Hawaii's average residential price in June 2026 — running a hair dryer costs $49.82 a year. That is 187% more than the national average of $17.33. Hawaii's residential rate is up 28.7% from June 2025, which moves this appliance from $38.71 to $49.82 a year.

Per hour: 94.9¢
Per day of use: 14.2¢
Per month: $4.15
Per year: $49.82

Assumption: 1,800 W, 9 minutes a day, 350 days a year — 94 kWh a year. About nine minutes a day on high. Use the calculator to swap in the numbers from your own model.

How Hawaii compares

Hawaii pays 52.72¢/kWh, the most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $32.49 more a year than the typical U.S. household pays for the same use. Running the same hair dryer costs $12.39 a year in Nevada and $49.82 in Hawaii, so where you live changes this bill by $37.43 a year.

State	Rate	Per month	Per year
New York	29.49¢	$2.32	$27.87
Maine	29.59¢	$2.33	$27.96
Massachusetts	29.61¢	$2.33	$27.98
California	34.74¢	$2.74	$32.83
Hawaii	52.72¢	$4.15	$49.82

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

What else costs about the same in Hawaii

Slow cooker$50.61 a year in HI Wi-fi router$46.18 a year in HI Ceiling fan$45.55 a year in HI

Cutting the number down

Nearly 2,000 W sounds alarming, but a few minutes a day keeps the annual total modest.
A cool-shot finish uses a fraction of the power of the heated setting.

Questions

How much does a hair dryer cost per month in Hawaii?: About $4.15 a month, assuming 1,800 W, 9 minutes a day, 350 days a year at 52.72¢/kWh.
How many kilowatt-hours does a hair dryer use?: Roughly 94 kWh a year under these assumptions, or 1.80 kWh for every hour it runs.
Is that expensive compared with other states?: Hawaii has the most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $17.33 a year.