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Wattulator is an energy cost calculator. It calculates the approximate cost per hour, day, month, and year for the amps, watts, or kilowatts, using the cost per Kilowatt-Hour that you enter. Quickly see approximately how much an electric appliance costs to run.

  • Set the cost per Kilowatt-Hour (KWH)
  • Select Amps, Watts, or Kilowatts
  • Set the desired AC voltage (100
  • 240 volts)
  • Set the Power Factor, (use 100% if unknown)
  • Set the amps, watts, or kilowatts slider

  • The cost


iPhone or iPod touch

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Current Version (1.x)


Downloads 440
Version Downloads 440
License Commercial
Date 20 Nov 2008
Platform iOS
Price $0.99
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