How Many Watts of Electricity does a Electric Blanket use?

Real power-use measurements from a electric blanket.

How Much Power does a Electric Blanket use

Electric Blanket: 170 Watts


  • Electric blankets are powered with a long, thin resistant wire, which heats up. The wire might be 12 or 20 feet long. They are very efficient at heating people up, because they don't have to heat up very much air between the blanket and the person's skin. Blankets manufactured before 2001 may not have a power shutoff circuit and are considered a fire hazard.
  • varies from 115 watts (low) to 135 watts (medium) to 170 watts (high). There is also a thermostat to shut off power if the blanket gets too hot.

Power Use

  • Watts: 170
  • Kilowatts: 0.17 Kw.

Operation Cost

  • cost per minute: 3 hundredths of one cent (0.03 ¢)
  • cost per hour: 2¢
  • cost per day: 16¢
  • cost per month: $3.1

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Power use of these items was actually tested. Individual items will vary, but these are the actual measurements.