Wattage Calculator

Our wattage calculator will help you determine your electrical power needs and will even offer you suggestions on the right portable generator for you.

  • Choose Recreational if you wish to find a generator for your RV, your DIY activities, your camping trips, tailgating or for your outdoor events
  • Choose Home if you wish to find a generator to use as backup power or primary power for your home
  • Choose Pro if you wish to find a generator suitable for powering tools, for construction work or for farm work

Select your principal use

Select all the appliances you wish to power

Would you prefer any specific brand(s)?

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ItemQtyRunning wattsStarting watts
Please add at least quantity and running watts before adding a new line.
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You can compare as many generators as you wish. However, for the best results, we recommend you to compare only 2 generators at a time.