How Much Does A Heated Mattress Pad Cost to Run in Maine?
A heated mattress pad typically uses 100 watts. At 6 hours a day, drawing full power about 50% of the time, and $0.28/kWh in Maine, it costs about $0.084 per day, $2.52 per month and $30.66 per year.
Calculate your own cost
- Per hour
- $0.0140.05 kWh
- Per day
- $0.0840.3 kWh
- Per week
- $0.5882.1 kWh
- Per month (30 days)
- $2.529 kWh
- Per year
- $30.66110 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 100-watt heated mattress pad cost per hour?
At $0.28/kWh, it costs $0.014 per hour. The maths: 100 W ÷ 1,000 = 0.1 kWh per hour, × $0.28 = $0.028. This page assumes it draws full power about 50% of the time, so the hourly figure shown is lower.
How much does it cost per month?
Used 6 hours a day for 30 days, it costs about $2.52 per month and uses 9 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
0.3 kWh per day, 9 kWh per month and 110 kWh per year at 6 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?
Pre-warm the bed and use a low setting with the built-in timer. 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 $0.90 and at 30¢ it is $2.70. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.
Cost by hours of use in Maine
| Used per day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.05 kWh | $0.014 | $0.42 | $5.11 |
| 2 hours | 0.1 kWh | $0.028 | $0.84 | $10.22 |
| 3 hours | 0.15 kWh | $0.042 | $1.26 | $15.33 |
| 4 hours | 0.2 kWh | $0.056 | $1.68 | $20.44 |
| 5 hours | 0.25 kWh | $0.07 | $2.10 | $25.55 |
| 6 hours | 0.3 kWh | $0.084 | $2.52 | $30.66 |
| 7 hours | 0.35 kWh | $0.098 | $2.94 | $35.77 |
| 8 hours | 0.4 kWh | $0.112 | $3.36 | $40.88 |
| 9 hours | 0.45 kWh | $0.126 | $3.78 | $45.99 |
| 10 hours | 0.5 kWh | $0.14 | $4.20 | $51.10 |
| 11 hours | 0.55 kWh | $0.154 | $4.62 | $56.21 |
| 12 hours | 0.6 kWh | $0.168 | $5.04 | $61.32 |
| 13 hours | 0.65 kWh | $0.182 | $5.46 | $66.43 |
| 14 hours | 0.7 kWh | $0.196 | $5.88 | $71.54 |
| 15 hours | 0.75 kWh | $0.21 | $6.30 | $76.65 |
| 16 hours | 0.8 kWh | $0.224 | $6.72 | $81.76 |
| 17 hours | 0.85 kWh | $0.238 | $7.14 | $86.87 |
| 18 hours | 0.9 kWh | $0.252 | $7.56 | $91.98 |
| 19 hours | 0.95 kWh | $0.266 | $7.98 | $97.09 |
| 20 hours | 1 kWh | $0.28 | $8.40 | $102.20 |
| 21 hours | 1.05 kWh | $0.294 | $8.82 | $107.31 |
| 22 hours | 1.1 kWh | $0.308 | $9.24 | $112.42 |
| 23 hours | 1.15 kWh | $0.322 | $9.66 | $117.53 |
| 24 hours | 1.2 kWh | $0.336 | $10.08 | $122.64 |
How we worked it out
- Energy per hour: 100 W ÷ 1,000 = 0.1 kWh, × 50% of the time at full power = 0.05 kWh
- Cost per hour: 0.05 kWh × $0.28 = $0.014
- Cost per day: × 6 hours = $0.084
- Month and year: × 30 days = $2.52, × 365 days = $30.66
Maine electricity prices
Maine pays about $0.28 per kWh, which is 60% higher than the US average of $0.175. The same heated mattress pad would cost $1.58 a month at the national average.
What it costs in different places
Same 100-watt heated mattress pad, 6 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $1.58 |
| California | $0.32 | $2.88 |
| Texas | $0.155 | $1.40 |
| New York | $0.25 | $2.25 |
| Florida | $0.155 | $1.40 |
| Illinois | $0.17 | $1.53 |
| Pennsylvania | $0.18 | $1.62 |
| Ohio | $0.17 | $1.53 |
| Washington | $0.115 | $1.04 |
About heated mattress pad running costs
Heated mattress pads warm a bed directly, so their energy use is usually much lower than heating the whole bedroom. Thermostats cycle the element.
Typical sizes: 60 W, 100 W, 120 W, 180 W.
How to spend less: Pre-warm the bed and use a low setting with the built-in timer.
What this estimate assumes
- The appliance draws full power about 50% of the time, because it cycles on and off.
- 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 Maine. 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.