How much does a toaster oven cost to run in Hawaii?
$9.82 a month
- A day of use
- $0.32
- An hour of running
- $0.65
- A year
- $117.86
1,225 W, 30 minutes a day, at Hawaii’s average rate of 52.7¢ per kWh (EIA, June 2026). How we calculate this
Change the watts, hours or rate
What it costs at other usage levels
| Use | A day | A month | A year |
|---|---|---|---|
| 30 minutes a day typical | $0.32 | $9.82 | $117.86 |
| 1 hour a day | $0.65 | $19.64 | $235.72 |
| 2 hours a day | $1.29 | $39.29 | $471.45 |
| 4 hours a day | $2.58 | $78.57 | $942.90 |
| 8 hours a day | $5.17 | $157.15 | $1,885.79 |
| 24 hours a day | $15.50 | $471.45 | $5,657.38 |
A typical model draws about 1,225 W (Virginia Cooperative Extension).
Hawaii compared with other states
Hawaii’s residential rate is the 1st most expensive of 51 states and DC, 34.4¢ above the US average of 18.3¢ (+187%). Hawaii’s rate is up 11.8¢ from June 2025 (41.0¢, +28.7%).
Ways to spend less
- Use it instead of the full oven for small dishes.
- Keep the door closed while it cooks.
- Switch it off a few minutes early; it keeps cooking with the heat inside.
Questions
How much does it cost to run a toaster oven per hour?
About $0.65 an hour in Hawaii. A toaster oven at 1,225 W uses 1.23 kWh per hour, and at Hawaii’s average of 52.7¢ per kWh that comes to $0.65.
How much does a toaster oven add to your electric bill?
Used 30 minutes a day, about $9.82 a month in Hawaii, or $117.86 a year.
How much does it cost to run a toaster oven 24 hours a day?
Running nonstop, a toaster oven would use 29.4 kWh a day and cost $15.50 a day, or $471.45 over an average month in Hawaii.
How many watts does a toaster oven use?
A typical model draws about 1,225 W (Virginia Cooperative Extension). Check the label on yours: cost scales directly with watts, so a 20% lower wattage means a 20% lower bill.
Why does a toaster oven cost more or less to run in Hawaii than elsewhere?
Hawaii’s residential rate is the 1st most expensive of 51 states and DC, 34.4¢ above the US average of 18.3¢ (+187%). Hawaii’s rate is up 11.8¢ from June 2025 (41.0¢, +28.7%). The appliance uses the same energy everywhere; only the price per kWh changes.
Sources
- Virginia Cooperative Extension: Estimating appliance and home electronic energy use (reproduces U.S. Department of Energy sample wattages)
- Penn State EGEE 102: Typical range of power consumption (wattage)
- U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A: average price of electricity to ultimate customers, residential, June 2026 Figures transcribed from republications of this table on September 26, 2026; pending direct verification from the EIA API.
- Carrier page: June 2026 residential average price, citing EIA Electric Power Monthly Table 5.6.A
Usage assumptions (hours a day, season) are ours and listed on the methodology page. Found an error? Tell us.