How much does an electric blanket cost to run?

$4.46 a month while in use, November to March

A day of use
$0.15
An hour of running
$0.02
A year (season only)
$22.15

100 W, 8 hours a night at full power (double size), November to March, at the US average of 18.3¢ per kWh (EIA, June 2026). How we calculate this

Change the watts, hours or rate
I know the appliance's

What it costs at other usage levels

Electric blanket at 100 W and 18.3¢ per kWh, November to March
UseA dayA month in useA year
1 hour a day$0.02$0.56$2.77
2 hours a day$0.04$1.12$5.54
4 hours a day$0.07$2.23$11.08
8 hours a day typical$0.15$4.46$22.15
24 hours a day$0.44$13.39$66.46
Monthly cost of an electric blanket by usage at the US average rate1 hour a day: $0.56; 2 hours a day: $1.12; 4 hours a day: $2.23; 8 hours a day: $4.46; 24 hours a day: $13.391 hour a day$0.562 hours a day$1.124 hours a day$2.238 hours a day$4.4624 hours a day$13.39

Models range from 60 W to 100 W (Virginia Cooperative Extension). We use 100 W, double-size figure from the source.

Ways to spend less

  • Warm the bed for 30 minutes before you get in, then switch it off or to low. Saves about $4.18 a month in season.
  • Use the timer so it doesn't run all night.
  • Pair it with a lower thermostat setting overnight; that is where the real saving is.

What an electric blanket costs to run in every state

Same usage, each state's latest EIA residential rate, cheapest first
RankStateRateA month in useA year
1Nevada13.1¢$3.19$15.84
2Nebraska13.3¢$3.22$16.01
3Utah13.4¢$3.25$16.15
4Louisiana13.5¢$3.28$16.30
5Tennessee14.1¢$3.42$17.00
6Arkansas14.1¢$3.44$17.06
7North Dakota14.1¢$3.44$17.06
8Kentucky14.3¢$3.47$17.23
9Oklahoma14.3¢$3.49$17.31
10Idaho14.4¢$3.50$17.36
11North Carolina14.7¢$3.59$17.81
12Mississippi14.9¢$3.62$17.98
13Washington14.9¢$3.63$18.01
14New Mexico15.1¢$3.66$18.19
15Florida15.1¢$3.67$18.24
16Montana15.1¢$3.68$18.29
17Arizona15.2¢$3.69$18.34
18Wyoming15.2¢$3.71$18.41
19South Dakota15.4¢$3.74$18.55
20West Virginia15.5¢$3.76$18.66
21South Carolina15.6¢$3.78$18.78
22Kansas15.7¢$3.82$18.98
23Iowa15.9¢$3.88$19.24
24Texas15.9¢$3.88$19.26
25Missouri16.2¢$3.95$19.59
26Oregon16.3¢$3.97$19.71
27Georgia16.4¢$3.98$19.76
28Alabama16.4¢$3.99$19.81
29Colorado17.1¢$4.17$20.69
30Virginia17.2¢$4.19$20.80
31Indiana17.5¢$4.26$21.15
32Minnesota17.5¢$4.26$21.16
33Ohio19.2¢$4.67$23.18
34Delaware19.3¢$4.69$23.30
35Wisconsin19.6¢$4.76$23.63
36Illinois19.9¢$4.84$24.03
37Pennsylvania21.7¢$5.29$26.25
38Maryland21.8¢$5.31$26.38
39Michigan23.0¢$5.59$27.77
40Connecticut24.3¢$5.92$29.38
41District of Columbia24.4¢$5.93$29.46
42Vermont24.4¢$5.95$29.52
43New Jersey25.0¢$6.07$30.14
44New Hampshire27.0¢$6.57$32.63
45Alaska28.2¢$6.86$34.08
46Rhode Island29.2¢$7.11$35.31
47New York29.5¢$7.18$35.62
48Maine29.6¢$7.20$35.74
49Massachusetts29.6¢$7.21$35.77
50California34.7¢$8.45$41.97
51Hawaii52.7¢$12.83$63.69

Questions

How much does it cost to run an electric blanket per hour?

About $0.02 an hour. An electric blanket at 100 W uses 0.100 kWh per hour, and at the US average of 18.3¢ per kWh that comes to $0.02.

How much does an electric blanket add to your electric bill?

Used 8 hours a night at full power (double size), November to March, about $4.46 a month while it is in use, or $22.15 a year across the November to March season.

How much does it cost to run an electric blanket 24 hours a day?

Running nonstop, an electric blanket would use 2.40 kWh a day and cost $0.44 a day, or $13.39 over an average month.

How many watts does an electric blanket use?

Models range from 60 W to 100 W (Virginia Cooperative Extension). We use 100 W, double-size figure from the source. Check the label on yours: cost scales directly with watts, so a 20% lower wattage means a 20% lower bill.

Which state is cheapest to run an electric blanket in?

Nevada, at 13.1¢ per kWh: $3.19 a month. The most expensive is Hawaii at 52.7¢ per kWh: $12.83 a month. Same appliance, same hours; only the rate differs.

Sources

Usage assumptions (hours a day, season) are ours and listed on the methodology page. Found an error? Tell us.