Cost to Run a 50-watt humidifier for 2 hours in Florida
Running a 50-watt humidifier for 2 hours uses 0.1 kWh and costs $0.016 at $0.155/kWh in Florida. Do that every day and it adds up to $0.465 a month.
Calculate your own cost
- Per hour
- $0.0080.05 kWh
- Per day
- $0.0160.1 kWh
- Per week
- $0.1090.7 kWh
- Per month (30 days)
- $0.4653 kWh
- Per year
- $5.6636.5 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 50-watt humidifier cost per hour?
At $0.155/kWh, it costs $0.008 per hour. The maths: 50 W ÷ 1,000 = 0.05 kWh per hour, × $0.155 = $0.008.
How much does it cost per month?
Used 2 hours a day for 30 days, it costs about $0.465 per month and uses 3 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
0.1 kWh per day, 3 kWh per month and 36.5 kWh per year at 2 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?
Pick a cool-mist ultrasonic model if cost matters most. 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 $0.30 and at 30¢ it is $0.90. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.
Cost by hours of use in Florida
| Used per day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.05 kWh | $0.008 | $0.233 | $2.83 |
| 2 hours | 0.1 kWh | $0.016 | $0.465 | $5.66 |
| 3 hours | 0.15 kWh | $0.023 | $0.698 | $8.49 |
| 4 hours | 0.2 kWh | $0.031 | $0.93 | $11.32 |
| 5 hours | 0.25 kWh | $0.039 | $1.16 | $14.14 |
| 6 hours | 0.3 kWh | $0.047 | $1.40 | $16.97 |
| 7 hours | 0.35 kWh | $0.054 | $1.63 | $19.80 |
| 8 hours | 0.4 kWh | $0.062 | $1.86 | $22.63 |
| 9 hours | 0.45 kWh | $0.07 | $2.09 | $25.46 |
| 10 hours | 0.5 kWh | $0.078 | $2.33 | $28.29 |
| 11 hours | 0.55 kWh | $0.085 | $2.56 | $31.12 |
| 12 hours | 0.6 kWh | $0.093 | $2.79 | $33.95 |
| 13 hours | 0.65 kWh | $0.101 | $3.02 | $36.77 |
| 14 hours | 0.7 kWh | $0.109 | $3.26 | $39.60 |
| 15 hours | 0.75 kWh | $0.116 | $3.49 | $42.43 |
| 16 hours | 0.8 kWh | $0.124 | $3.72 | $45.26 |
| 17 hours | 0.85 kWh | $0.132 | $3.95 | $48.09 |
| 18 hours | 0.9 kWh | $0.14 | $4.19 | $50.92 |
| 19 hours | 0.95 kWh | $0.147 | $4.42 | $53.75 |
| 20 hours | 1 kWh | $0.155 | $4.65 | $56.58 |
| 21 hours | 1.05 kWh | $0.163 | $4.88 | $59.40 |
| 22 hours | 1.1 kWh | $0.171 | $5.12 | $62.23 |
| 23 hours | 1.15 kWh | $0.178 | $5.35 | $65.06 |
| 24 hours | 1.2 kWh | $0.186 | $5.58 | $67.89 |
How we worked it out
- Energy per hour: 50 W ÷ 1,000 = 0.05 kWh
- Cost per hour: 0.05 kWh × $0.155 = $0.008
- Cost per day: × 2 hours = $0.016
- Month and year: × 30 days = $0.465, × 365 days = $5.66
Florida electricity prices
Florida pays about $0.155 per kWh, which is 11% lower than the US average of $0.175. The same humidifier would cost $0.525 a month at the national average.
What it costs in different places
Same 50-watt humidifier, 2 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $0.525 |
| California | $0.32 | $0.96 |
| Texas | $0.155 | $0.465 |
| New York | $0.25 | $0.75 |
| Florida | $0.155 | $0.465 |
| Illinois | $0.17 | $0.51 |
| Pennsylvania | $0.18 | $0.54 |
| Ohio | $0.17 | $0.51 |
| Washington | $0.115 | $0.345 |
About humidifier running costs
Ultrasonic humidifiers use very little power. Warm-mist and evaporative models use more because they heat water.
Typical sizes: 30 W, 40 W, 50 W, 200 W.
How to spend less: Pick a cool-mist ultrasonic model if cost matters most.
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 Florida. 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.