Generator Size & Wattage Calculator

What Size Portable Generator Do You Need?

Portable generators are a reliable backup power source, whether you're using it to camp, power your construction site or keep your home running during a power outage. Since everyone's needs are different, this wattage calculator will help you determine the right generator size for you!

Sort by Type:
  Tool Running Wattage Starting Wattage
10 0
113 0
100 0
25 0
50 0
240 0
1500 0
175 0
250 0
Not sure what size Portable Generator you need? Check the items you need to power on the left to find the right sized Portable Generator for your needs.

Recommended Minimum
Wattage Requirements:

  • 0 Running Watts
  • 0 Starting Watts

*These are just estimates. Check your tool or appliance for exact wattage requirements.

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