Cost to Run a 40-watt tower fan for 5 hours in Ohio
Running a 40-watt tower fan for 5 hours uses 0.2 kWh and costs $0.034 at $0.17/kWh in Ohio. Do that every day and it adds up to $1.02 a month.
Calculate your own cost
- Per hour
- $0.0070.04 kWh
- Per day
- $0.0340.2 kWh
- Per week
- $0.2381.4 kWh
- Per month (30 days)
- $1.026 kWh
- Per year
- $12.4173 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 40-watt tower fan cost per hour?
At $0.17/kWh, it costs $0.007 per hour. The maths: 40 W ÷ 1,000 = 0.04 kWh per hour, × $0.17 = $0.007.
How much does it cost per month?
Used 5 hours a day for 30 days, it costs about $1.02 per month and uses 6 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
0.2 kWh per day, 6 kWh per month and 73 kWh per year at 5 hours a day. A kWh is one kilowatt (1,000 W) used for one hour. It is the unit on your electricity bill.
How can I lower the cost?
Use a timer so it stops after you fall asleep. Check your bill for the exact rate and enter it above.
Does my electricity rate change the answer?
Yes, a lot. At 10¢ per kWh the monthly cost is $0.60 and at 30¢ it is $1.80. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.
Cost by hours of use in Ohio
| Used per day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.04 kWh | $0.007 | $0.204 | $2.48 |
| 2 hours | 0.08 kWh | $0.014 | $0.408 | $4.96 |
| 3 hours | 0.12 kWh | $0.02 | $0.612 | $7.45 |
| 4 hours | 0.16 kWh | $0.027 | $0.816 | $9.93 |
| 5 hours | 0.2 kWh | $0.034 | $1.02 | $12.41 |
| 6 hours | 0.24 kWh | $0.041 | $1.22 | $14.89 |
| 7 hours | 0.28 kWh | $0.048 | $1.43 | $17.37 |
| 8 hours | 0.32 kWh | $0.054 | $1.63 | $19.86 |
| 9 hours | 0.36 kWh | $0.061 | $1.84 | $22.34 |
| 10 hours | 0.4 kWh | $0.068 | $2.04 | $24.82 |
| 11 hours | 0.44 kWh | $0.075 | $2.24 | $27.30 |
| 12 hours | 0.48 kWh | $0.082 | $2.45 | $29.78 |
| 13 hours | 0.52 kWh | $0.088 | $2.65 | $32.27 |
| 14 hours | 0.56 kWh | $0.095 | $2.86 | $34.75 |
| 15 hours | 0.6 kWh | $0.102 | $3.06 | $37.23 |
| 16 hours | 0.64 kWh | $0.109 | $3.26 | $39.71 |
| 17 hours | 0.68 kWh | $0.116 | $3.47 | $42.19 |
| 18 hours | 0.72 kWh | $0.122 | $3.67 | $44.68 |
| 19 hours | 0.76 kWh | $0.129 | $3.88 | $47.16 |
| 20 hours | 0.8 kWh | $0.136 | $4.08 | $49.64 |
| 21 hours | 0.84 kWh | $0.143 | $4.28 | $52.12 |
| 22 hours | 0.88 kWh | $0.15 | $4.49 | $54.60 |
| 23 hours | 0.92 kWh | $0.156 | $4.69 | $57.09 |
| 24 hours | 0.96 kWh | $0.163 | $4.90 | $59.57 |
How we worked it out
- Energy per hour: 40 W ÷ 1,000 = 0.04 kWh
- Cost per hour: 0.04 kWh × $0.17 = $0.007
- Cost per day: × 5 hours = $0.034
- Month and year: × 30 days = $1.02, × 365 days = $12.41
Ohio electricity prices
Ohio pays about $0.17 per kWh, which is 3% lower than the US average of $0.175. The same tower fan would cost $1.05 a month at the national average.
What it costs in different places
Same 40-watt tower fan, 5 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $1.05 |
| California | $0.32 | $1.92 |
| Texas | $0.155 | $0.93 |
| New York | $0.25 | $1.50 |
| Florida | $0.155 | $0.93 |
| Illinois | $0.17 | $1.02 |
| Pennsylvania | $0.18 | $1.08 |
| Ohio | $0.17 | $1.02 |
| Washington | $0.115 | $0.69 |
About tower fan running costs
Tower fans use a small motor and are among the cheapest ways to keep cool.
Typical sizes: 40 W, 50 W, 60 W, 80 W.
How to spend less: Use a timer so it stops after you fall asleep.
What this estimate assumes
- The appliance draws its full stated wattage the whole time it is on. Real units with a thermostat cycle off and cost less.
- Wattage is the typical label value, not a measured value. Check the label on your own appliance.
- The rate is an approximate residential average in Ohio. Your bill may include fixed fees, tiers or time-of-use pricing. Edit the rate above.
- A month is 30 days and a year is 365 days.