How much does a toaster oven cost to run in Iowa?
$2.97 a month
- A day of use
- $0.10
- An hour of running
- $0.20
- A year
- $35.61
1,225 W, 30 minutes a day, at Iowa’s average rate of 15.9¢ 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 | $0.10 | $2.97 | $35.61 |
| 1 hour a day | $0.20 | $5.94 | $71.23 |
| 2 hours a day | $0.39 | $11.87 | $142.45 |
| 4 hours a day | $0.78 | $23.74 | $284.91 |
| 8 hours a day | $1.56 | $47.48 | $569.82 |
| 24 hours a day | $4.68 | $142.45 | $1,709.45 |
A typical model draws about 1,225 W (Virginia Cooperative Extension).
Iowa compared with other states
Iowa’s residential rate is the 23rd cheapest of 51 states and DC, 2.4¢ below the US average of 18.3¢ (−13%). Iowa’s rate is up 0.6¢ from June 2025 (15.3¢, +3.9%).
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 $0.20 an hour in Iowa. A toaster oven at 1,225 W uses 1.23 kWh per hour, and at Iowa’s average of 15.9¢ per kWh that comes to $0.20.
How much does a toaster oven add to your electric bill?
Used 30 minutes a day, about $2.97 a month in Iowa, or $35.61 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 $4.68 a day, or $142.45 over an average month in Iowa.
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 Iowa than elsewhere?
Iowa’s residential rate is the 23rd cheapest of 51 states and DC, 2.4¢ below the US average of 18.3¢ (−13%). Iowa’s rate is up 0.6¢ from June 2025 (15.3¢, +3.9%). 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.