How Many Watts of Electricity does a All-in-One Computer use?

Real power-use measurements from a all-in-one computer.

How Much Power does a All-in-One Computer use

All-in-One Computer: 54 Watts


  • This Lenovo all-in-one computer is very thin, like an iMac, with a flexible 27-inch flat touchscreen.
  • It uses less electricity when asleep or in hibernation.

Power Use

  • Watts: 54
  • Kilowatts: 0.054 Kw.

Operation Cost

  • cost per minute: 1 hundredths of one cent (0.01 ¢)
  • cost per hour: 65 hundredths of one cent (1¢)
  • cost per day: 5¢
  • cost per month: 99¢

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